Question about 1992 Pontiac Grand Am
I have a problem with my car that noone can figure out. After spending almost $500 on the process of elimination, I can't afford that any more. The motor was rebuilt last year, including new radiator, fan, water pump, thermostat, battery, alternator, starter. I gave my cousin a jump start 2 times in a row and when I got back in the car the 2nd time, the check engine light was on. It ran ok, and the light was off the next time I started it. I came on a few more times and I had a diagnostic done that showed Code 19 (crankshaft sensor). Had it replaced, light came back on with same code, even after disconnected the battery, pulling the fuse, and resetting it with the diagnostic machine. Went to second mechanic who checked the sensor and said it was replaced, the wires were fine, checked everything he could think of and couldn't find anything, told me to ignore the light, and charged $300. I replaced the air filter, 2 vacuum hoses, air filter, and bought a new gas cap specifically for my grand am. STILL acts up. It was cutting out when it was idling (in park) and the light would come on. Now the light comes on every time I stop and it surges. I thought I would have a good dependable car that was paid off, boy was I wrong. Please help!
Does it run bad on acceleration? hesitate? Misfire? If so, remove the silver thing that looks like a valve cover. Take it to a Pontiac dealer & have the parts guy sell you the spark plug boots and the spider-web-looking thingy attatched to the underside of the aluminum. Methinks that you have the most common of Grand Am problems: Coils and spark distribution.
Posted on Sep 09, 2008
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