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Thread: Fans not coming on

  1. #1
    Potential Tuner
    Join Date
    Apr 2015
    Posts
    6

    Fans not coming on

    99 z28. Went carbed but still using computer to work dash. Question. I have coolant sensor installed. Dash shows temp. Hptuners shows temp. I can turn the fans on manually through hptuners scanner. But it they will not turn on when motor gets hot. Any ideas

  2. #2
    Potential Tuner
    Join Date
    Apr 2015
    Posts
    6
    Best I can find is computer must think car is running before it will turn fans on. Any way to trick computer into thinking the car is running