Question about 2000 Chevrolet Prizm

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Egine Code says miss fire block 1. What are we talking about?

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I think it means that the number one cylinder is misfiring, which could be spark plug, coil, the plug wire, or the injector. Usually, if the injector is at fault it will have a code for that. Take the spark plug out and check the condition of the plug. If the plug seems alright, swap it with the number 2 spark plug and clear the trouble codes. If the plug was at fault, the computer should throw a code for cylinder 2, if it still throws a code for cylinder 1, then it may be the coil, If the engine has a distributor, change the distributor cap and rotor.

Posted on Dec 29, 2010

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