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No start four cylinder have no spark

Discussion in '2nd Gen Tundras (2007-2013)' started by Marsh, Feb 7, 2022.

  1. Feb 7, 2022 at 7:12 PM
    #1
    Marsh

    Marsh [OP] New Member

    Joined:
    Feb 6, 2022
    Member:
    #74230
    Messages:
    3
    Gender:
    Male
    First Name:
    Josh
    Vehicle:
    2012 tundra
    So it all started with a engine swap. I replaced engine with a rem due to bad headgaskets and coolant in oil.i drove truck in to shop and swaped everything over.after done it would just start and stall I check over and found g2 and g3 ground I forgot on the right side cylinder head
    So I been testing a lot of curcits. I have lab scoped crankshaft sensor and camshaft senor ok. I check powers and grounds to ecu and coils ok. I scope the igt signal and have signal on all that are firing . I have no signal and no spark on 1-2-4-5 I have looked at my wiring ok. It dose have a remote start that I haven't try to disconnect yet. The codes I have are misfire in cylinder 3,5,7, and a p0300 ,and of course p1640 for start and stall . I tried a used ecm but that had more problems then the original one any ideas. Thanks
     

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