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Re: 99 Tahoe heavy misfires, pinging, rattling
Posted to Technical Discussion Forum on 2/24/2007

Interesting John. I'll try and remember that one for future reference. Glad you got it going without taking my advice or you'd be out an unneeded ecm. I really thought it would take an ecm to cure it from what I saw in the first capture you put up. Login to read more.