Question about 1996 Chevrolet Blazer

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Engine runs fine at times but when it stumbles and misses it throws codes po340, po341. Fresh tune up.Service engine soon light comes on but not for long.Very inconsistant. Possible that the drive gear on distributor worn? Please help!!

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Cam shaft position sensor in distributor under rotor is bad.

Posted on Jul 09, 2010

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