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Random misfires -- what can cause this -- what can fix this???

(1997 Chrysler Cirrus)
in Antioch, CA on April 22, 2011
started with loose gas line at tank. have not been able to get these codes gone since!
have given the car a complete tune up -- wires and plugs -- cap and rotor...MISFIRES
on four plugs still come back! MAYDAY, NEED TO SELL THIS CAR!

Displaying 2 answers & 2 comments
Popular Answer
of Reco's Renches on July 12, 2011
Hello this seems like the ground for the distributor that needs to be repaired at the left front fender or the distributor may need to be replaced.
on April 22, 2011
Is it only P0300 or do you have more?
on May 03, 2011
at first it was several--then, only the one, 300---and,
once i replace the wire--the problem went away long
enough to smog--thereafter, four more erupt and continue
to do so--even after i clear the codes--over and over

paul here
on May 04, 2011
Check the plugs, crankshaft position sensor, camshaft position sensor, etc. They all can set a P0300. Has the car really been serviced?
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