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Re: P0171, P0174
Posted to Technical Discussion Forum on 4/14/2012 5 Replies



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I don't think it is a fuel supply issue. He stated the rear O2's were 750-800mv under the WOT acceleration with a total trim of +5% on B1, and total trim of +9% on B2. Sounds like the fuel system i... Login to read more.

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