Question about 1991 Chevrolet Cavalier
The fuel rail psi when cool is at 38-40 psi but stalls or idles bad it reads 40 to 45 psi is a bad fuel filter the problum or is it a sensor aka thotle postion or something like bad fuel pump wireing ect. ?
Check / change the ignition control module. It is located on the lower back side of the engine and needs to be reached from underneath the car. Autozone will test them for free but since they do not act up until they get hot they not find a problem even though it is bad. When they are bad they do not work when they get hot. I had the exact same problem with the exact same car.
Posted on Nov 30, 2008
VACUMN LINE LEAKING, INTAKE LEAK, THIS COULD BE AN EMISSION PROBLEM, THEY DO HAVE A TESTER THA IS JUST FOR EMISSION ITEMS, ALSO CHECK ENGINE LIGHT ON-BLINKING?
Posted on Oct 05, 2008
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Posted on Jan 02, 2017
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