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1990 GMC 1500 Pickup

Question: fuel injector, fuel pump

Question

renoissanceman, 5.0L V8, Sparks, NV, August 27, 2009, 11:24

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stalling or irratic idle, is this the fuel injector

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• Answer #1

  Bret Bodas August 27, 2009, 13:31
  

   Master

  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, 19:32

  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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