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E38 problem wont start

Discussion in 'EFI Tuning Questions and Engine Management' started by KINTARO, Mar 1, 2009.

  1. KINTARO

    Joined:
    Jan 19, 2006
    I have a 2007 5.3 out of a silverado i just have the engine harness obd harness and the dbw harness.I have the engine harness c4 wired up so it gets all it's power and ground from what the schematic says the throttle plate moves when i move the pedal but when i crank it has no spark should i have spark trying to turn it on like this...coils,o2 sensors, everything has power and ground but just no spark is there something im missing what do i need to do to the ecm it should run i'm bypassing everything. thanks
     
    KINTARO, Mar 1, 2009
    #1

  2. njc.corp

    Joined:
    Feb 11, 2008
    Can you put up pictures of the e38 ecu and also the trigger wheel sensor?
     
    njc.corp, Mar 8, 2009
    #2
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