paparess5@aol.com

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i have a gmc van 1989 it idles fast put in plug wires tps and map sencer and it steel idles around 2000 rpm

Dec 17, 2010

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What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 1990 GMC G1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

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paparess5@aol.com

What is your question?

i have a gmc van 1989 it idles fast put in plug wires tps and map sencer and it steel idles around 2000 rpm

wingman83 in Dallas Center IA

Dec 17, 2010

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ZeeTechon Dec 17, 2010

Make sure there is no intake manifold leak or disconnected vacuum hose from the intake. Zee

wingman83on Dec 17, 2010

all vacum hose are in good shap coud not find any intake leaks

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Popular Answer

What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 1990 GMC G1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.