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Re: 99 gmc 3500 5.7 vin r dead miss at idle and cruise
Posted to Technical Discussion Forum on 6/5/2010 2 Replies

Andrew,

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I'd wonder. I think the OP said the 02 was on the order of 5% or so. I always raise an eyebrow when I see numbers like that. Provided we aren't dealing with a sample dilution issue(if it is... Login to read more.

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