Mechanics

CHEVY TRUCK

1993 Chevrolet Other • 6 cylinder 2WD Automatic •

4.3 chevy 2wd auto trans, engine will not run prperlybackfires surges, coolant temp sensor on scanner surges from -40 to 170. Unplug timing conn. Engine will idle sensor reads normal. Have tried ac delco pcm still have same problem.
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Chasp1956
January 7, 2011.




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