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Re: 2002 Yukon XL P0174, P0171
Posted to Technical Discussion Forum on 1/26/2006 2 Replies

Good morning Matthew. I see the engine load at 2%, I haven't seen that low of a number yet. I'll keep that in mind and move on for now. Can you please post the following in graph form, front and rear O2 readings, rpm, throttle angle, load and fuel trims? Also ... Login to read more.

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