Question about 1990 Chevrolet Cavalier

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Exhaust problems my car is a 1990 chevy cavalier. When I am driving and it will start knocking from the exhaust pipe and it will stop. There is little pressure coming out of the exhaust pipe. After it sides for a while it will run fine for a day or two.

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Sounds like a catalyst, a quick way to check is get a hammer and screwdriver and poke a hole in it, then try to crank it, but make the hole about a inch wide

Posted on Jan 31, 2009


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