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Re: Fuel Pressure and a P0171,P0174
Posted to Technical Discussion Forum on 1/27/2014 2 Replies

Hi Martin,

[...trimmed text...]

Just to add to the other excellent advice, don't forget the intake gaskets on this Z engine can break down and suck air, sometimes hard to see with smoke test.

[2002 GMC Yukon XL 1500 ... Login to read more.

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