Megasquirt flex fuel sensor original PiMP, Microsquirt, Megasquirt, or other flex fuel capable ECU's. to/3FX5rIgWideband: https://amzn. the first thing you will want to do is enable flex fuel, under Fuel > flex sensor settings tab, it will look like this. Ensure a seamless connection for your Flex Fuel Sensor with this high-quality Connector & Pins. I added a couple gallons of E85 to my 3/4 full tank of gasoline and the reading climbed to 21% ethanol. General support questions and announcements for MS3. Post by Coutsi » Tue Mar 22, 2016 1:33 pm. The sensor contains a pull up resistor to 5v and pulses to ground, producing a variable frequency output corresponding to the ethanol content. i wired it up through the table switch port on the options plug and now its always on, no matter what. 86 then burn after that i go to general setting and put in 14. I've been running E85 with a flex fuel sensor and table blending for a while with good results. GodStang Helpful MS/Extra'er Posts: 49 Joined: Fri Nov 01, 2019 3:05 pm. Which would be correct, but maybe I lost a step? Megasquirt 2 / Microsquirt / Microsquirt module; ↳ MS2/Extra, MS2, Microsquirt and Microsquirt module support Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. MS3 + MS3X + TinyIOx, PWM MegaManual Index-- The Ideal Gas Law-- Injectors-- REQ_FUEL MegaSquirt Fuel Equation-- Ignition Input Batch, Bank, Sequential Injection and MegaSquirt. . 00. START Y Palnet 14mm fuel rail. where would you mount the sensor inside the tank or run a small line off of the main fuel line. Measures ethanol content % and fuel temperature. Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. CANBus connector allows interconnection of other MegaSquirt-compatible devices for additional functions (EGT Input I'm trying to install a Flex Fuel sensor on my Terminator X. Combustion chamber shape, quench area, blah blah blah. I've added an additional pressure gauge on ADC6 and have it reading nicely so I Flex fuel control I used a GM flex fuel sensor 13577429, WARNING, Flex Sensor is not smooth out in the current MS2 firmware nor MS3 firmware older than 1. Flexible fuel allows vehicles to be operated with a blend of ethanol and gasoline, up to 85 percent ethanol. I know that I'm getting 12v to the sensor, and ground is fine. 0 Hardware Manual Megasquirt-2 Product Range MS2/Extra 3. 5. If Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. 4V, so you will be giving away some resolution/accuracy of the reading Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. Flex fuel pigtail Hey guys I just got the ms3 pro evo drop on ls harness for my little s10 project and I’m running a flex fuel sensor and not 100% sure which wires to run to the pigtail I’m pretty sure this is the one (highlighted in pic) but if someone could What's the flow direction through the Ford flex fuel sensor? I thought that it didn't matter, but the Alldata screenshot on the first page mentions that the fuel lines are different diameters to make sure that the connections are made correctly. 5psi. driver side rear fuel rail. I'd like to add a temp sensor for fuel, (I have 2 Schedar valves in my fuel rail) but I only have 1 analog in left. Sensor 13577394 Continental Flex Fuel (long EFI quick Connect) PINs are VCC = Power 12v, Ignition ON power GND = Grounded to Megasquirt The time has come for you to take full advantage of your Megasquirt install. Change fuel and spark maps on the fly for different fuels, nitrous activation, etc. just so it can sense the amount of ethanol Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro I just added a late model GM flex fuel sensor to my MS2 V3. I have used 26g Tefzel for them on the bench without issues as well. Lean/Rich trim of fuel maps Basically you do a tune on 93 and a tune on e85 and setup the blend curve between the fuels which is based on the flex%. ford flex fuel sensor. After a little street tuning for the previous injector install, everyt Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. Enemy MS/Extra Newbie MS3 Flex Fuel Install. Explorer 5. 4. Supports Many Aftermarket Dashes/Displays: Compatible with a variety of aftermarket systems. A better method would be to create a map tuned with unleaded, and another with straight E85, and use a table to interpolate the two maps based on e% content. ) Table switching input. Wired it into a spare 5v input and assigned 9. The three wires provide a ground circuit, a power source, and a signal output to the ECM. Been super pleased with the setup. jasaircraft Super MS/Extra'er Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro dual fuel table blend and 163% flex sensor setting for fuel 3 table. With the P59 (1 Mb PCM) all OS appear to support Flex Fuel, but the Flex Fuel system is not always active. Adding an ethanol content sensor will not only allow you to seamlessly switch between regular pump fuel, and E85 and other ethanol Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. The intention of this code is to only allow the frequency from the flex fuel Find many great new & used options and get the best deals for Ford Flex Fuel Sensor F6df-9c044-aa Siemens E85 Megasquirt - at the best online prices at eBay! Free shipping for many products! Ford Flex Fuel Sensor F6df-9c044-aa Siemens E85 Megasquirt - ohshirey (449) 100% positive feedback; Price: $325. MENU. The flex fuel sensor is plumbed into the return line. In the MS3 Pro Module pin-out diagram I find these two that might seem to be correct (one of them at Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro Just a quick query regarding flex fuel settings, I now have flex fuel setup and working but would like to alter the way timing advance is brought in, Those settings would make the code think there was a how to install a flex fuel sensorMy Car Parts listMegasquirt: https://amzn. Dealer discount deals available – please contact the team at AMPEFI. I have read some conflicting info as to the wiring/connection of the sensor to the megasquirt. I used Transformation= Linear , 0v value= 0. I have the sensor wire leaving my innovate e85 flex fuel gauge (yellow wire) running to this pin and Tunerstudio Doesn't give me Table Switching Input: Instant fuel and spark map changes for alternative fuel or nitrous activation; Flex Fuel Sensor Input: Seamless transitions between E85 and gasoline; CANBus Connector: Part # MS130-K; MegaSquirt-I Programmable EFI System with V3. But some of them are old post. Enabled Flex Fuel Sensor, and fuel temp. 6L DOHC Mustang with MegaSquirts MS3Pro Plug and Play ECU. The VE tables are well sorted and the engine runs great. With the P01 (512 Kb PCM) there is only one OS that supports Flex Fuel (12216125 - used only with 2002 L59 or L18 engines). Firstly I have a problem understanding what input channel to be used for the flex fuel sensor. and to enable flex fuel I need to run the sensor signal to pin 13 (Launch Pin). This tune doesn't have the flex fuel enabled; you need to go to Fuel Many factory ECUs and tuning softwares will have the capability to operate Flex Fuel Tuning as well as Holley EFI, Megasquirt, Haltech, Fueltech, AEM and more! How do I wire a flex fuel sensor? Flex Fuel sensors are a Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. So i finally got the flex fuel sensor hooked up and it works great except now i have no launch control. How to install and wire the holley terminator x flex fuel sensorE85 flex fuel sensor & gauge install e40 pcm ecm Syltech sensorsFlex fuel tuning guide. Since the initial build of the MR2 I have been driving on E85, but without a flex sensor, and with my REQ_FUEL determined using 14. M FF-395 Flex Fuel sensor reports the temperature and alcohol content in a vehicles fuel system. A pull-up Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro is there a way to use the flex fuel sensor if you have a - 10 fuel line. 7 for the value at your lowest flex fuel sensor reading. To start, I installed a GM flex fuel sensor and my MS3 is correctly receiving fuel temperature from it. ]" The other "advanced" way is table *blending* and that's an important distinction from table *switching*. This means that if you have a decent normal gasoline tune and enable the flex-fuel system, suddenly it will try to richen the mixture. For the VSS2 sensor I picked up a hall effect sensor and welded a bracket to the dust shield on the passenger front tire. Transmission Compatible with easy to find GM flex fuel sensor; Configurable flex blend curve allows blending of fuel tables, spark advance tables, afr target tables, alternate start and warmup settings, boost and overboost tables, and acceleration enrichment settings based on the exact concentration of ethanol in fuel; Compatible with YOUR wideband O2 Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro MS3 + MS3X + TinyIOx, PWM Returnless Fuel, Flex Fuel, Variable Geometry Intake Manifold, Garrett GTX2863R . Free Shipping - DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems with qualifying orders of $109. Knock Sensing The flex fuel sensor has a three-wire electrical harness connector. 0 2jz Ms3 pnp pro 1. 0 board I seen the mods to do to the board for adding a flex sensor. New-tral : Join Date: Aug 2014 which port do i hook the flex fuel sensor to on the ms and what do i need to change on the megasquirt Enable flex fuel and set the sensor port to LAUNCH (Formerly Flex). the way i Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro I'm looking into installing a flex fuel sensor and wondering if this might be a suitable sensor to use? I'm thinking that using JS11 would be the best pin to use for flex fuel? On the launch control can I My question is it worth hooking up flex fuel sensor and activating it on megasquirt. But I haven't messed with megasquirt since the MS1 days. 1 firmware Gm sensor pn 13577429 Advanced flex fuel support that allows blending almost all fuel and ignition tables based on fuel composition. Members Online • Giantdong01 . Some widebands have a signal ground as well as the power ground. No fuses are blown. So Megasquirt already supports Flex fuel, but it's not really "in-depth", really just a linear +/- fuel/ignition from 0-85% ethanol. Pin 1 voltage out white wire pinned to J1A3. It uses the wheel The recommended sensors have two connections. CANBus Connector: Allows interconnection with other MegaSquirt-compatible devices for additional functions (EGT Input, Automatic Transmission Controller, Additional Sensors, etc. Staff member. 3% with pump gas in the tank; but I am getting processor resets now despite my fluke (which I realize isn't as fast as Flex Fuel with MegaSquirt Controller Flexible fuel vehicles use a sensor to determine the percentage of ethanol in the fuel mix (which varies not only with the season and location, but also with the relative amounts of E85 and gasoline in the tank at fill-up) and adjust the fuel injection and timing to suit the fuel. The MegaSquirt will try to maintain the air-fuel ratio specified under AFR Table 1 when running in Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. Haltech, Megasquirt, Gotech and other ECUs with flex fuel feature (see note below) This System Includes: FlexLink communication module - with wireless and wired output; Genuine GM/Continental fuel content sensor; Quick Input for flex fuel sensor – switch between E85 and gasoline on the fly! CANBus connector allows interconnection of other MegaSquirt-compatible devices for additional functions (EGT Input, Automatic Transmission Controller, Additional Sensors. Supports speed density, alpha-N (TPS based), or MAF based fuel and spark tables; 0. ). See also MS3 manuals Under my ego it does not show flex fuel but I do have that Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro I'm trying to wire up a Ford 4 wire FRPS (P/N 3F2Z-9G756AC) To my MS3. The frequency numbers are set up for a stock GM (or Ford Taurus) fuel composition sensor. But this current setup with an older MS2 V3. I'm not saying the calculations in megasquirt are wrong, I know they're scientifically correct, but cancelling it out has really made my application work a lot better. This sensor has a vacuum port to reference rail pressure to MAP, and a integrated thermistor for fuel temp I have read that the way the sensor is wired will affect the way it crosses zero, and the Megasquirt needs the correct setting so that it uses the correct edge for the tach signal. 6 Miatas. Table Switching Input: Change fuel and spark maps on the fly for different fuels or nitrous activation; Flex Fuel Sensor Input: Seamlessly switch between E85 and gasoline; CANBus Connector: Allows interconnection with other MegaSquirt-compatible devices for additional functions (EGT Input, Automatic Transmission Controller, Additional Sensors Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. The sensor reads in a somewhat useful way matching the fuel I added. I have a GM style 3-wire flex fuel sensor that is located at the fuel tank (front of the car) quite remote from the MS3 module (under passenger seat) and even further from the engine ground New on the forum and to the whole megasquirt thing, so silly questions might appear. Flex fuel sensor enabled (Using GM sensor) Sensor Frequency 150hz Ethanol Mix 100% Flex Fuel Multiplier = 163%; The Flex fuel (or fuel composition) sensor detects the percentage of ethanol within the fuel passing through it. AKA: 01yellerCobra. 12x12 Air Fuel Ratio Target Tables for use with wide band O2 sensor for precise tuning and table trim. Moderators: jsmcortina, muythaibxr. Just set it up under generic sensor inputs. 0 board is really I am using the 12570260 (big metal GM) sensor. There's other things like warmup and after start enrichment that can try to give it too much fuel on startup as well. Re: Fuel Pump and Pressure Control Screen. I have a ms2 with 3. Just for the hell of it, I decided to redo my wiring. Then I enabled Temperature Correction on the Fuel Pump and Pressure Control page but saw Flex Fuel Sensor Input: Seamlessly switch between E85 and gasoline CANBus Connector: Allows interconnection with other MegaSquirt-compatible devices for additional functions (EGT Input, Automatic Transmission Controller, Additional Sensors, etc. x. I'd just turn it off and get it starting consistently first. No 12V at the fuse block or relays either. The power source is battery positive voltage and the ground circuit connects to an engine ground. I set it up for regular gasoline (14. The MegaSquirt will try to maintain the air-fuel ratio specified under AFR Table 1 when running in closed loop mode. James Megasquirt flex fuel sensor installation basics. I only have the bare sensor and the threaded holes are both the same size. You have individual curves for fuel, ignition and boost. Fuel Sensor Settings (Flex) Flex Fuel Sensor; Sensor Port; Sensor Frequency; Ethanol Mix; Fuel Multiplier % Timing Addition; Baseline Ethanol % Fallback Fuel Multiplier % Megasquirt-2 Product Range. the possibilities are limitless! What you get in the box: Miata 9093 Gen2 PnP Plug and Play ECU Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro I have a customer who's flex sensor reading is falling at WOT (like from 72 to 16, falling linearly, not dropping immediately). Dated: Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. The Controller Authority setting limits how much it can change the Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. 6 2v FRPS (fuel rail pressure sensor) and it works a charm. 99. Megasquirt 3; ↳ MS3 General Support; ↳ MS3 archive; Megasquirt 2 / Microsquirt / Microsquirt module; ↳ MS2/Extra, MS2, Microsquirt and Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro 3 wire 5v sensor, wired into ADC13. Works great. Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro Hello all, I am having an issue with the flex fuel setup and working with the MS3PRO. -GM 13577394 flex fuel sensor Fuel System-Bosch 044 fuel pump-Performance World 10 micron fuel filter-Aeromotive fuel regulator-Injector Dynamics 850cc injectors i have some plans for thing id like to add to the Today I fixed the wiring and re-enabled flex; and currently have the sensor grounded at the microsquirt Sensor common, with Vcc pin of the sensor receiving 5v from VREF. Input for flex fuel sensor – switch between E85 and gasoline on the fly! CANBus connector allows interconnection of other Flex fuel sensor wiring. com This is how to enable a flex-fuel GM sensor on a microsquirt equipped Chevrolet LS engine ls1 ls1 ls3 ls7 ls7 ls9 l33 ls7 lq4 lq9 To enable this, turn off launch control and go to Extended → Flex Fuel Sensor. Flexible fuel vehicles can be operated with a blend of ethanol and gasoline, up to 85 If you're looking to run E85 but not willing to commit to using it as your only fuel, adding a flex sensor is a great solution that allows you to run anywhere Once wired up the sensor can be enabled in Megasquirt by navigating to the Fuel Sensor Settings (FLEX) menu and enabling the input. Innovate Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro I have a setup that I have been running a flex sensor on for quite some time now. I was planning to wire a pot to my clutch pedal for use as a tunable launch control switch, but can't it as a generic sensor so I can set a I hooked up my Flex Fuel sensor in the following way to my Holley Dominator. Shop Engine Management Systems at Summit Racing. to/3xJAnJsLS Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro I want to be sure I understand the operation of the flex sensor function and also a question on next steps, if my understanding is correct. to/3xH3ltfIntercooler: https://amzn. 1, do not use auto flex fuel correction! Fuel pump control I wired it up to my addition fuel pump relay, so µS can control fuel pump directly. To my understanding, to install the GM sensor that I just purchased from Pace Performance, the three wires off the sensor should be: 1) 5V sensor 2) +12V 3) Sensor ground Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro I just installed a GM flex fuel sensor and it is reading fairly accurate when in low to medium throttle. Joined May 10, 2004 Location Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro MS3 General Support. Tuner studio reads ethanol content at 80% and I get a fuel temp reading, so looks like the Is there a required or recommended Flex Fuel sensor? listed for Impala's, Bucks, Suburbans. Post by jsmcortina » Sat Jul 09, 2011 3:02 pm. A Bosch 505 idle valve (3 wire) A homemade tach adapter. note this is the settings for the chevy style sensor with temp and content hz being 50-150, look below to see the difference. 1. With a one Flex Fuel/E85 Support with added flex fuel sensor. Related Products: Intake Air Temperature Sensor for MegaSquirt ECU: Price: $33. there are multiple ways to do flex fuel with the ms3. Hi, Could you post the p# you used for the 0 to 100 psi fuel sensor. Cooling fans: The ’94-’95 SN95 Mustangs However, the question that you actually seem to be asking, is which Gen III Operating Systems support Flex Fuel. * Input for flex fuel sensor--switch between E85 and gasoline on the fly! * CAN Bus connector allows interconnection of other MegaSquirt-compatible devices for additional Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. 7 and burn correct? Top. To adjust the ignition timing and the fuel quantity to be injected, A Flex Fuel sensor sends the engine management system the With a flex-fuel sensor the tuning settings allow 0% ethanol and 100% ethanol with a blend in-between. 0 main board - Unassembled Kit with Black Case Important Note: The BIP373 coil driver is Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro Data 1 : Fuel Temperature (C) = 8 bit - 40 Data 7: FF Sensor Status 0x00 Sensor OK We just need to be able to select a sensor as the source for the flex data. Danbob Experienced MS/Extra'er Posts: 286 Joined: Sun May 19, 2013 8:57 pm. Continental Flex fuel sensor. com to discuss. MS will then come back and use whatever you have in the Fuel Sensor Settings menu. TS says its applying 140% fuel. Targeting engines with semi-sequential or batch-fire fuelling and wasted spark ignition. My own preference is to start by using the multiplier in the flex fuel sensor settings as a starting point, then use the blend curves on VE, AE, cranking, and WUE as necessary to deal with anything the Go to megasquirt r/megasquirt. Adding another EGO sensor. Write a review Please login or register to review Sensor | Fuel Composition | Flex Fuel | Ethanol Content The fuel temp is read thru the pulsewidth on the flex fuel output. Complete flex fuel connector kit. Part 28 of the the Megasquirt training course walks you through how to work with the flex fuel tuning feature in MS3 firmware and utilizing the blend table o The FlexLink flex fuel sensor system for stand alone ECUs provides fuel content data to most popular stand alone ECUs. * Input for flex fuel sensor--switch between E85 and gasoline on the fly! * CAN Bus connector allows interconnection of other MegaSquirt-compatible devices for additional Knock input threshold - Is this the main tunable aspect of knock tuning for megasquirt? - Is there a recognised method to tune this? 2004 Cobra, MS3PNP, flex fuel, knock sensor, Whipple, etc. Quantity: These are the proper GM-style sensors for use with the MegaSquirt line of ECUs and include a 6" wire pig-tail Evans Performance Academy will walk you through the tuning process for bolt-on, naturally aspirated engines to forced induction applications. 5) and a temp of 96 degrees to 90% and -40. This connector is a direct fit for many GM, Haltech, and Continental Flex Fuel sensors. will all of these work with a MS3 Pro? and is there a difference in sensor quality The fuel composition sensor (FCS), also known as the flex fuel sensor, measures the ethanol to gasoline ratio of the fuel in the fuel line to the injectors. FAQ; Flexfuel sensor. Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro I had a running Microsquirt with no issues that I wanted to try flex fuel with. The sensor monitors the concentration of ethanol in the fuel and allows you to change your fuel mixture and spark timing based on the fuel composition. anyone else megasquirt behaves the same? The sensor is a continental flexfuel sensor and the megasquirt is a megasquirt 2v 3 with a 2004 Cobra, MS3PNP, flex fuel, knock sensor, Whipple, etc. Oxygen sensor control Input for flex fuel sensor – switch between E85 and gasoline on the fly! CANBus connector allows interconnection of other MegaSquirt-compatible devices for additional functions (EGT Input, Automatic Transmission Controller, Additional Sensors. SO these are going to be pretty dumb questions but im a noob and this is my first megasquirt and ive never had to deal with tuning like this before. after i install the flex fuel sensor where Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. 0 . Pin 2 ground black wire pinned to J3B1. Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro The paperwork that came with mine said it should be within 2%. I am running 3. Post by robinpipirs » Sun Aug 14, 2016 1:16 pm. JohnMc PV Abuser. How MegaSquirt ® EFI Controllers Work. 0/ MS3X ECU running 1. Flex Fuel: Instead of launch control, the Digital Switched In 1 input pin of the option connector may be connected to a GM flex fuel sensor. The flex reading now seems correct, showing nice steady 6. is We finish the E85 Flex Fuel Sensor wiring and setup in the ECU software TunerStudio. Re: Adding a Fuel Pressure Sensor. r/megasquirt. Flex Fuel Sensor Wiring. It stores one for each channel and TunerStudio calculates the other two for each channel:;fuel pressures fuel_press1_psi = {fuel_press1 * 0. 82AR housing @ 15 psi I run mine in closed loop mode, and have a 5 bar fuel pressure sensor MegaSquirt MS3Pro Plug & Play Add serious tuning potential to your 2003-2004 Mustang Cobra 4. This can be used by the Megasquirt to automatically adjust fuel and spark to allow for the change in fuel. How soon after start up does the ECU read the flex fuel sensor? I recently made some changes and now the sensor doesn't get Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. Originally I had the GM Flex Sensor ground Part 18 of the the Megasquirt training course walks you through working with the flex fuel tuning strategy in the MS2 and microsquirt based firmware. 0 and 5v value = 75. So that 12% reading seems about right. However, you can rarely obtain pure gasoline with 0% ethanol. In the logs, I see both of the Flex Fuel sensor readings going all to heck! From a relatively steady 8. Understanding how MegaSquirt controls the fuel injectors will help you to assemble, test, and tune your MegaSquirt for best performance. MX-5 Miata Forum > NA/NB (1990-2005) Miata > NA/NB Power Mods > ECUs, ECU Tuning and Programming > flex fuel with megasquirt Reply Thread Tools: Display Modes: 25th March 2015, 16:31 #1: blackbettymiata. I bought another old ford flex fuel sensor, installed it - same result, fuel composition reads 1% and defaults to full ethanol correction. DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems DIYAutoTune MegaSquirt Gen 2 plug-and-play engine management systems are standalone units designed as direct-fit, factory ECU replacements offered for a variety of foreign and domestic vehicles. The frequency numbers are set up for a stock GM (or Ford Taurus) fuel composition MS2/V3. Pin 3 VCC red wire pinned to J2B20. AN6 cross over from front drivers side to front passenger side fuel I have run the Continental Flex sensors using 22g Tefzel in a vehicle, with the cable run to the sensor from the ECU around 4m. 7 afr), and then set the flex to multiply based on ethanol percentage. 0, Flex sensor. Known to work with GM ethanol sensors 13577394, 13577379, and 13577429 Pigtail option will have 12" leads Pin pack is a p Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro Megasquirt 3. If you do not have a fuel pressure sensor, it may be worth seeing what the Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. Progressive nitrous control. My sender ranges from 0-90 ohms. Having the MAP sensor on-board simplifies installation (one just runs a vacuum line to the ECU) and keeps the measurement signal clean, which is very important since the MAP signal is the most critical to proper fuel control. Enable flex fuel and set the sensor port to Digital Switched In 1. Dang, I looked at the flex fuel page 15 times but didn't click to the next page to see that. MS2/Extra 3. According to AEM flex fuel sensor (which looks exactly the same) specs they use the same frequency and pw specs that are default on tunerstudio. 66 microsecond injector pulse width resolution Flex Fuel Sensor Input: Switch seamlessly between E85 and gasoline. The megasquirt one looks remarkably attractive, given the minimal wiring and dash support. I don't know what wires on the sensor are positive and negative as the sensor doesn't indicate, and its a pretty rare engine, finding information isn't too easy. the possibilities are limitless! What you get in the box: MSPNP2 Standalone Plug and Play B8793 ECU Free Shipping - DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems with qualifying orders of $109. 147 }, "psi" The values under Required Fuel are for calculating a base pulse width. Hondata ctr fuel system upgradeGm flex fuel sensor wiring diagram How flex fuel control worksKtuner fuel hondata upgraded bundle civicx civicxi Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro I have a problem with my flex fuel sensor/ input I get flex fuel failure and the gauge reads 1. Flex fuel cars need to run this sensor because in minnesota the fuel changes between E85 and E70 in the winter. The gains at such a relatively low compression ratio would depend on overall design of the motor. This is great because a 3. E85. 300+ Club. Use the fuel's stoichiometric AFR there unless you are using a flex fuel sensor - if you are, these values get scaled up by the flex fuel sensor, so you'd use 14. I open up Tunerstudio and find the screen for the flex fuel sensor and activate it. FP regulator has a vacuum port, and the fuel pressure and MAP data are perfectly correlated. Skip to content Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. Input for flex fuel sensor – switch between E85 and gasoline on the fly! Supports many aftermarket dashes/displays such as Racepak, Race Technologies, AiM Sports, AEM, Dakota Digital . 0. For more information on flex fuel, see the MegaManual page on E85. Set Ethanol to range from 10% to 100%. Flex fuel sensor input; Real time barometric correction (external sensor required) Sequential shift cut and air shifter control; Manuals are available here. The input pin used for the sensor input needs to be chosen and the temperature input can also be You can get the best of both worlds with our Flex Fuel Add-On for our Plug and Play Megasquirt 2 kits. Supports speed density, alpha-N (TPS based), or MAF based fuel and spark tables MegaSquirt ® features an on-board Manifold Absolute Pressure (MAP) sensor (Motorola MPX4115). (90 ohms on the sensor) signal will only be about 2. So disable EGO control and the flex fuel sensor input and then go to reqfuel and but in 9. Specifically designed for easy installation and reliable performance, this connector set allows you to securely integrate your Flex Fuel Sensor into your s Add to cart You only use VE1 plus a flex fuel sensor, and you simply say "this hz = 100% gasoline so fuel equals 100%" and "this hz = 100% E85 so fuel equals [130% is 30% richer, 168% is 68% richer, etc. Now that I have my flex fuel sensor working I'm setting up the flex fuel side. Returns: No returns, but backed by My continental flex fuel sensor with my MS3 instantly shows the ethanol content accurately as soon as I get fuel pressure and has very little variation in the readings. 89 xr4ti MS2extra- RIP 944T track car MS3pro Soon 924S lemons racer 65 fastback still carb'ed. Flex Fuel Sensor Input: Switch between E85 and gasoline on the fly Supports Many Aftermarket Dashes/Displays : Compatible with Racepak, AiM Sports, Race Technologies, AEM, Dakota Digital, and more CANBus Connector : Allows interconnection with other MegaSquirt-compatible devices for additional functions (EGT input, additional sensors, etc. GameboyRMH wrote: Not dumb (well I'm not sure about the gains at that compression ratio but it should work), MegaSquirt has support for the Ford Flex Fuel sensor. Long Term Fuel Trim; The MS3-Pro ECU is manufactured in the USA and distributed by AMPEFI. To enable this, go to Fuel Setup -> Flex Fuel Sensor. Set up linear 0v = -12. Optional AN6 Alloy EFI Barbs and Anti Vibration Stainless mounting bracket. I just installed the Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro just a question about adding a flex sensor. com using licensed Megasquirt-3 technology. I have a GM Flex Fuel sensor part #13507129. Basic tuning such a fuel and ignition mapping, idle control, acceleration enrichment and cranking fuel will be covered along with more advanced features such as boost control, flex fuel, nitrous control, etc. A Flex Fuel sensor measures the ethanol-gasoline ratio of the fuel being used in a flexible fuel vehicle. I think I can tune with that. You could put in E85 one day, run it to a half a tank and then fill the rest with premium fuel and run on the same map! Sexy huh? I don't like the idea of switching Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro the Proportional and Integral terms but it almost looks like the change in mixture takes a while to register at the WB sensor at idle. E85 flex fuel sensor input; Compatible with YOUR wideband O2 controller. 7 as the stoich. x Dated: 2015-05-05 Hardware manual covering specific wiring and configuration of your Megaquirt MS2/V30 ECU. Input for flex fuel sensor – switch between E85 and gasoline on the fly! Supports many aftermarket dashes/displays such as Racepak, Race Technologies, AiM Sports, AEM, Dakota Digital, Autosports Labs, Perfect Tuning, etc. Post by Matt Cramer » Tue Aug 15, 2017 8:16 pm. Kit includes connector, pins, seals, locking retainer and 10k ohm resistor. Map63Vette wrote: ↑ Sat Jul 08, 2023 11:56 pm Is there any reason why the flex fuel input can't be reassigned under general sensors in TunerStudio? All of the other 0-5V ADCs are in there but the Flex fuel one, unless I'm just missing something. I initially tuned my pump fuel VE table (VE1) and then when I made the switch to E85 I tuned Flex fuel sensor input for easy switching between gasoline and E85 – can automatically change fuel, ignition, and boost maps based on ethanol content of gasoline How to Megasquirt Almost Anything Using a DIYAutoTune. I am using a 12v+ to power the unit (vcc) and a dedicated sensor ground, and intend to use the output from the sensor directly to the "flex fuel" input on the megasquirt. MS3 General Support. ) Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. GM flex fuel sensor (the newer one) D585 LS truck coils (round w/ heatsink style) A set of Silverado shorty plug wires. shiftin04 Experienced MS/Extra'er 2004 Cobra, MS3PNP, flex fuel, knock sensor, Whipple, etc. DYI: gm flex fuel sensor install - R35 GT-R - GT-R Life. Simply connect the FLEX pin to a DB15 pin to bring the flex fuel input into the DIYPNP. Continental flex fuel sensor wiring35+ gm flex fuel sensor wiring diagram Sensor flex fuel wiring megasquirt msextra ground support forum signal thought return say should use notGm flex fuel sensor wiring diagram. Quick links: Manuals: Megasquirt info: Forum help page: Downloads. 3. Map Sensor Yes - Unlimited Range Flex Fuel Yes Ever wondered if you can use Methanol fuel on a flex fuel enabled vehicle ? We are about to find out how it works! Testing a GM/Continental flex fuel sensor 1 optoisolated RPM input – max voltage and current increased for coil negative fuel-only use; 1 flex fuel or general purpose switched input; 7 analog inputs; MicroSquirt ECU software features. The ECU is actually "thinking" in AFR. 5 posts the flex sensor itself grounds this pull Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. 4 firmware. 5psi, 5v = 112. Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro I want to use one of my inputs as a fuel gauge. Electronic Boost Control (requires boost solenoid, Wire the Megasquirt pin 37 to the fuel pump relay wire that went to the stock ECU. Thanks. Gm e-85 flex fuel sensor wiring harness quick connector adapter pigtail Sensor fuel flex continental e85 info quote miataturbo ecus tuning Gm flex fuel sensor wiring: diagram, installation, Flex Fuel Sensor Wiring - Megasquirt Support Forum (MSEXTRA) Check Details. Let's go E85! I lay out all the steps for you to get running quickly on E85 with How to enable and setup flex fuel in Tuner Studio for Megasquirt/Microsquirt ECUs Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. Using a factory 4. I'd likely connect the signal ground to the Megasquirt but most certainly the power ground should go to the engine block or battery. With these, one goes to ground, the other to the MegaSquirt ® EFI controller (the pins on the sensor are not oriented, you can connect the wires either way). The signal circuit carries the ethanol percentage via a frequency signal. These sensors are designed to be mounted directly on a PCB, thus eliminating extra wiring and potential noise issues - all one has to do is run a manifold vacuum line to the built-in barbed port and you are good to go. 93stang MS/Extra Newbie Posts: 25 Joined: Mon Apr 04, 2011 3:24 am Location: florida. Raymond_B Super MS/Extra'er Posts: 1447 Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. MS3pro Flex Fuel NO SIGNAL. See also MS3 manuals. The cars running the Flex fuels have a sensor to monitor this change. opel wrote: I am thinking that the MS3X board is not setup for +5V pullup on the sensor line or something. Does the MS3 Pro allow use of a flex fuel sensor where it will automatically alter fuel and ignition when switching between 87 thru 93 octane pump gas and E85? The ECU doesn't store all three. In addition, there is a failsafe fall back number in case the flex sensor takes a dive. Good enough. The MS3 Pro manual states to use input: Digital Switched In 1. MegaSquirt MS3Pro – Plug-N-Play Standalone Engine Management System: 1990-2005 Mazda Miata with manual transmission *NOTE: Also fits 1994-1997 European and Japanese market 1. I unplugged the flex sensor and nothing works anymore. I'm currently using the flex fuel calibration The flex fuel sensor has a three-wire electrical harness connector. I'm struggling to get a working flex fuel sensor on my car. Type: Flex Fuel SensorConnection: 3 WirePo Flex fuel sensor reading flucturating ethanol percentage. * Input for flex fuel sensor--switch between E85 and gasoline on the fly! * CAN Bus connector allows interconnection of other MegaSquirt-compatible devices for additional To use E85 fuel a flex fuel sensor must be purchased. Can I use the log to see what the delay needs to be? 2004 Cobra, MS3PNP Table Switching Input: Instant fuel and spark map changes for alternative fuel or nitrous activation; Flex Fuel Sensor Input: Seamless transitions between E85 and gasoline; MegaSquirt Relay Board - Assembled Unit - Part# MSRelay-C Though the Relay/Power Board is not required, it is a convenience and can reduce the chance of miswiring during 1 dedicated fuel pump output; 2 variable reluctor conditioned inputs with switchable pull ups; 1 optoisolated RPM input – max voltage and current increased; 1 flex fuel or general purpose switched input; 7 analog inputs; MicroSquirt ECU software features. Walbro 255. The sensor is then grounded at the Megasquirt sensor ground and the signal wire connects to the Tach input. Input for flex fuel sensor – switch between E85 and gasoline on the fly! Input for flex fuel sensor – switch between E85 and gasoline on the fly! CANBus connector allows interconnection of other MegaSquirt-compatible devices for additional functions (EGT Input, Automatic Transmission Controller, Additional Sensors. Skip to content. Enable flex fuel and set the sensor port to LAUNCH (Formerly Flex). Input for flex fuel sensor; CANBus connector allows interconnection of other MegaSquirt-compatible devices for additional functions such as EGT Input, Automatic Transmission Controller, Additional Sensors. so i have a ms2 on my mx5 and i want to run my car on e85 as well as 91 octane so i plan on getting a gm flex fuel sensor, The only problem is im not sure how to set it up software wise. Most Temp and Pressure sensors have very low current draws (otherwise they would overload the 5V rails on ECU's) so can be used with quite small wire Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro im trying to get my flex fuel sensor wired up to MS3pro but i'm having no luck at all gauge reads 0% ethanol at all times. the possibilities are Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. Megasquirt flex fuel tuning E85 with ethanol sensor. The manifold absolute pressure (MAP) sensor used in MegaSquirt ® controllers are the absolute pressure sensors which are manufactured by Motorola. Right now I have the dual fuel setting disabled, and am running on E85. Yes, I am using the standard GM style flex fuel Uncrimped Connector & Pins for Flex Fuel Sensor $ 14. I have done this successfully with microsquirt hardware a few times. MicroSquirt is the entry-level fully-assembled version of the MegaSquirt-2 ECU. I've got a GM flex fuel sensor connected per diagram to PE0 and I'd like to monitor the sensor in tuner studio. The composition sensor read alchol percentage via freq it reads 50 hz to 150hz on this signal 0% being 50hz and 100% being 150 hz, pulswidth is modulated to give fuel temp 1ms is -40 5ms is 125 if I recall. 2% (typically I see 8-8. Most of the searching Ive done most say that it doesnt change the tune much between premium and e85. I didn’t hook up a 5 volt wire with the 10K Ohm resistor, but my sensor seems to be working. the possibilities are limitless! What you get in the box: Miata MS3Pro PnP ECU, specific to model For the flex fuel and wideband - It depends on the model. Supplied With:Sensor Flex Fuel SensorDelphi ConnectorSyltech Datasheet 2x AN6 EFI Barbs (BLK)Stainless Bracket Flex-fuel content and temperature sensor. 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