Gm Flex Fuel Sensor An Fitting

July 5, 2024, 11:00 am
60-DAY SATISFACTION GUARANTEE. Obviously you want to look for a type that is approved for ethanol use. Note this is the settings for the chevy style sensor with temp and content hz being 50-150, look below to see the difference. The sensor is mounted in the feed line of your fuel system so it can get the most consistent and accurate readings. If you choose to replace a deteriorated OEM housing, simply de-pin and replace with this one, crimping on new terminals only if desired. Whether you choose to crimp your own connectors or use the GM pigtails, the next step is inserting your wire. Gm flex fuel sensor location on my 2007 lexus. This pulse refreshes roughly 4-5 times per second and has a frequency that corresponds to the amount of ethanol in the fuel that is going through the sensor. Having correct ethanol content information down to 0. There are many many many other sites I have viewed. The Flex Fuel sensor is located near the fuel tank and is connected to the return fuel line anywhere between the Fuel Pressure Regulator and the Fuel Tank of your car. Used together with Nuke Performance Full Flow Flex Fuel Sensor Adapter, that lets you run the sensor on both the pressure and return line of your fuel system with close to no flow loss.

Gm Flex Fuel Sensor Location Nissan Century

I'm running an inline Earls Performance filter which feeds into the FPR and the return runs through to the Flex sensor then back to the tank. After much speculation and inspection of the tune, I was finally able to determine that the knock-off sensor I was running had a 20Hz offset, causing the car to run excessively rich. Flex fuel sensor location. Works with all major ECU on the market. Disassembly pictures of connector).

Gm Flex Fuel Sensor Location On Car

An output frequency between 180 Hz and 190 Hz indicates that the fuel is contaminated. ECM Connection: GM #: 13575575 This is a package of 5 pre-crimped ECM harness socket pigtails. Sensor Connection: GM #: 13352241 This is a wiring harness specifically for the flex fuel sensor. I am starting this thread as a more complete information source for adding a Flex Fuel Sensor to our Sonics, but the information should be applicable to any GM car using the E78 ECM. Fuel that has been contaminated can generate a false ethanol reading. Where in between the tank and the afpr are you guys installing/mounting your flex sensors? So how does a flex fuel sensor work and what are some common questions? A fuel composition sensor circuit with high input causes a P0178 code error and it is caused when the sensor circuit input is too high compared to the specifications, which the engine control module (ECM) detects. Gm flex fuel sensor location on car. GM sells many "Flex Fuel" vehicles, but only a small percentage have the sensor installed that inspired this whole thread. Lohrmann covers how to set up the main fuel table compensation, acceleration enrichment compensation, ignition timing compensation, and much more. Nickalltogether, props on putting this together and compiling all this info.

Gm Flex Fuel Sensor Location On My 2007 Lexus

By pressing the center of this valve a small volume of fuel will be released, and in the process fuel pressure will be relived. Compared to wiring, this is the easy part. This is important since the flex fuel sensor is telling your ECU how to adjust the tune based on the ethanol content. Location: Indianapolis. Using its signal pin, it pulses a square wave to the 5V signal wire of the ECU to deliver ethanol content. Fuel system drier in the tank and retesting did not fix sensor did. It finally has enough fuel when you've increased fuel delivery by 34%. Let's just ump straight to the E85 example I gave above. Best location for flex fuel sensor. Where is the Flex Fuel Sensor Located? Be sure to set your baseline ethanol% number to whatever you see on the display after it comes up. The provided mount cannot be used.

Gm Flex Fuel Sensor Location Replacement

GM #: 13577379 This style of sensor uses the "short" 3/8" push-fit barbs. When the fuel composition sensor circuit experiences a low voltage condition, the ECM sets the code P0178 or sensor circuit low. The reasons behind the fuel composition sensor circuit low could be: - Failure of the fuel composition sensor. Now that your ground is confirmed good, move the positive lead of your meter to the white/signal wire routed to pin 34 in your J3/X3 plug. If a defect is determined, the defective part will be replaced at no additional cost to you, or if you prefer, we will provide a full refund. Again, I can't over emphasize how much you should take care for this part, it is easy to crack the connector. You will make a new hose to go from the hard fuel feed line at the firewall, on to the sensor, then another from the sensor to the fuel rail. My next project is going to be setting up a stock turbo with a larger compressor wheel, kind of like BNR and Vermont tuning. Benefits of this are the ability to use properly color-coded wires and the elimination of a solder joint. GM Flex Fuel Sensor Connector Kit. I always put it in the least intrusive, least flow restricting area, so usually in a return line by the tank. But for improved accuracy and faster response times, the sensor should be plumbed upstream of the fuel injectors in the feed line. There are three options to read your ethanol content when using our ethanol analyzers: - Bluetooth only. As the name "closed loop" should imply, there is a loop logic.

Gm Flex Fuel Sensor Location Near Me

Questions about the Platinum Sport series ECU settings or features? Again, go wire first from the front side of the connector, end with the pin locked in place. In this case, expect to see up to a ~10psi pressure drop if multiple pumps are used with a high-powered engine. Gm flex fuel sensor location replacement. Tidy up your wiring, cover in split loom or braided wire sheathing. E10 requires a higher volume of fuel to be stoich when compared to E0.

Assuming you have a multimeter capable of reading frequency information, back probe your signal wire with the positive probe of your meter. There are also other reasons your oxygen sensor could report a bad value: bad MAF sensor, bad oxygen sensor, boost leaks, etc. The fuel composition sensor is connected with the return fuel line anywhere between the Fuel Pressure Regulator and the Fuel Tank. SAFE AND SECURE PAYMENT METHODS.

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