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Re: 99 Tahoe heavy misfires, pinging, rattling
Posted to Technical Discussion Forum on 2/23/2007 2 Replies

Dean,

I think i see what you mean. I had assumed that was due to the rpm fluctuations. Let me clarify a bit though- what i am thinking is that the crank signal just before that first ignition spike is way too short. Looks like a little blip when it should be... Login to read more.

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