random misfires -- what can cause this -- what can fix this??? on 1997 Chrysler Cirrus

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! OBA

by in Antioch, CA on April 22, 2011
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2 answers 2 comments
ANSWER by , 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.
ANSWER by , April 22, 2011
Is it only P0300 or do you have more?
COMMENT by , 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
COMMENT by , 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?