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1990 GMC 1500 Pickup Question: fuel injector, fuel pump



renoissanceman, 5.0L V8, Sparks, NV, August 27, 2009, 14:24

stalling or irratic idle, is this the fuel injector

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  • Answer #1

    August 27, 2009, 16:31

    This could be caused by many different things. You'll need to get it diagnosed to know what is causing the problem.

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    Visitor, July 28, 2011, 22:32

    I have a 2000 GMC Sierra 1500 with intermittent high idle and had a diagnostics test performed. It showed nothing and was told process of elimination.
    Changed Idler Air Control Valve as recomended by machanic and that didn't fix the problem

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