Question about 2000 Pontiac Grand Prix
This Sounds as if the THROTTLE BODY & or EGR VALVE has "CARBON" Build up. This can be Corrected By Simply Removing the Parts and CLEAN them Being Carfull NOT to allow Debris to Fall Into Intake Manifold Using a VACUUM Cleaner to Remove any Debris Left In And Around Work Area's On Engine. Also Replace GASKETS on these Parts.------ A Small VACUUM LEAK can Also Cause High Idle
Posted on Sep 29, 2009
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Posted on Jan 02, 2017
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