REALLY HIGH IDLE OF 5.7 VORTEX

1996 GMC Truck

Tiny

nate wakeling

January, 29, 2011 AT 1:51 AM

I have a 1996 gmc pick up with a 5.7 liter vortex and the idle is erratically high going from 2.5 to 1.5 X1000 rpms even after warming up. Do you have any idea what might cause this?

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