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Thread: Adjusting Fuel Level Sending Unit Values

  1. #1
    Potential Tuner
    Join Date
    Aug 2014
    Posts
    3

    Adjusting Fuel Level Sending Unit Values

    There was a previous thread about this but it's been closed. I have an LS2 and E40 PCM from a 2006 GTO. I'm swapping it into an 1998 3-Series BMW and would like to keep EVAP functional, so I'll need fuel level input to the PCM.

    The BMW's fuel level sender provides a low ohm value for Empty and a high ohm value for full. The E40 PCM is expecting the opposite. The GTO's fuel level sender generates 240 ohms Empty and 40 ohms Full.

    Is it possible to adjust the values in the E40 to accept the BMW's fuel level signal? Effectively, the values in the E40 would have to be reversed.

    Thanks.

    Tipsy

  2. #2
    Tuner in Training
    Join Date
    Aug 2021
    Posts
    14
    any luck with this?