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Spark Knock randomly comes and goes. If you want a challenge, please read.

Discussion in '1st Gen. Tacomas (1995-2004)' started by QuickSilver, Dec 21, 2011.

  1. Dec 23, 2011 at 1:35 PM
    #21
    skytower

    skytower Well-Known Member

    Joined:
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    Dave
    virginia
    Vehicle:
    08 Tacoma 4x4
    Hitch and wiring, aux back-up light, rear strobe lights, radio and underseat sub.
    Sounds like a fuel mix/timing issue. Either the sensors are feeding the ECU bogus info intermittantly, or the ECU is going bad. Check all your temp sensors, and crank position sensor for proper operation.
    A bad ground(already stated) or an intermittant short could be a problem too. Look for frayed, pinched etc wires.
     

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