Question about 1997 Chevrolet Cavalier

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My car sputters and misses, even backfires when I start it up...thought it was just a vapor lock, but it is continuing even after a long break. Anybody have an idea of what may be wrong?

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MAKE SURE YOU HAVE SPARK AT ALL 4 PLUGS. IF NOT CHECK THE WIRES AND COILS. WHILE THE ENGINE IS RUNNING REMOVE THE INJECTOR CONNECTORS ONE AT A TIME AND REINSTALLING THEM TO SEE IF THE INJECTORS ARE WORKING. IF NO RPM DROP IS NOTICED CHECK THE WIRING IF IT'S GOOD TRY SWAPPING THE INJECTOR WITH ANOTHER ONE THAT CHECKED GOOD. IF THAT CYLINDER NOW MISFIRES THE INJECTOR IS THE PROBLEM, YOU CAN ALSO DO THIS WITH SPARK PLUGS AND PLUG WIRES. IF YOU HAVE A RADIATOR PRESSURE TESTER, CHECK FOR A LEAK ALONG THE HEAD GASKET AND TRY TO USE A LIGHT TO SEE IF YOU CAN SEE ANY THING IN THE CYLINDERS. 2.2L ENGINES ARE PRONE TO HEAD GASKET PROBLEMS AND CRACKS ON THE HEAD ITSELF. ALSO CHECK THE SPARK PLUGS, IF ANY OF THEM LOOK LIKE IT HAS BEEN STEAM CLEANED. THAT IS THE CYLINDER THAT IS THE PROBLEM LIES.

Posted on Jun 04, 2009

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