Question about 1991 Chevrolet Lumina

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Pistons not firing

I had my car tuned up and when I got it back it still ran rough and died. I took it back to the shop and they told me that two of the pistons weren't firing and didn't know why.

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  • plastic May 11, 2010

    How was it running before you took it for a tune-up? Could the shop have accidently switched the wires for those two cylinders?

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Posted on Aug 17, 2008

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