Mechanics

MY IS REVVING UP AND DOWN WHILE IN PARK AND THEN DIEING. IT HAS ALSO DIED WHILE BEING DRIVEN. WHAT'S WRONG?

1994 Chevrolet Truck • 253,000 miles

I put a bottle of Heat in the gas tank to evaporate any water in the tank and lines. I live in Alaska so the temps outside are between 20 and -6
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Aandrade6
November 6, 2011.



Clean out the idle air control valve and see what happens-also check fuel pressure if its within specs-

Rasmataz
Nov 6, 2011.