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LQ4 Pinout question (Fuel Enable- circuit 229)

This is a discussion on LQ4 Pinout question (Fuel Enable- circuit 229) within the Computer & Tuning forums, part of the LSx Technical Help Section category; I have the pinouts for the PCM but I can not find or see the pin for the fuel enable ...

  1. #1
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    LQ4 Pinout question (Fuel Enable- circuit 229)

    I have the pinouts for the PCM but I can not find or see the pin for the fuel enable signal?
    Did a search and can find it on the LS1 2002 (red 30, circuit 229) But looking at the pinouts for the truck PCM (the copy I have) it does not show a fuel enable or a circuit 229 ?? I was going to build the circuit as a temp solution until I get car to a place for programing or ship PCM off. Just got it fired up this weekend and runs for about 2-4 seconds. Wanted to get it to run longer so I could do some checks,, Leaks,,tranny goes ingear ,,ETC... Anyone have A suggestion let me know THANKS ,, Roger,,

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    These have serial vats, you have to pull the vats off in the computer to let it work.
    if the pcm was a pwm you could make up a signal, but it is pretty cheap to get it deleted from your system.

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