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knock/ping farts

Discussion in 'The Garage' started by fright89, Aug 14, 2003.

  1. fright89

    fright89 1/2 ton status

    Sep 27, 2001
    Likes Received:
    I have been having some serious knocking and pinging out on the big road.
    If I really nail it, it gives a good knock/ping fart and trips the eng. light with code 43, electronic spark timing? Or electronic spark control?

    Would this have anything to do with the large cracks I discovered in my exhaust manifolds the other day while changing spark plugs?

    Btw how are you TBI people making out with headers?

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