Why is my 2004 Pontiac Grand Prix RPM seem to be too high


Asked by Feb 20, 2015 at 01:13 PM

Question type: Maintenance & Repair

V-6 3800 Engine needs what kind of maintenance at what odometer miles

1 Answer

A high idle could be a vacuum leak, a faulty IAC, and other things. iS the Check Engine Light On? And for a complete maintenance schedule go to Chapter 6 at/ http://www.vadengmpp.com/owners-manual/pontiac/2004-Pontiac-GrandPrix.pdf

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