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Home >> Chrysler >> 2007 >> PT Cruiser Base, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0129 To P0339 >> P0300- Multiple Cylinder Misfire >> Possible Causes
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Possible Causes

Possible Causes 
IGNITION WIRE
ENGINE MECHANICAL PROBLEM
(K344) ASD RELAY OUTPUT CIRCUIT (IGNITION COIL)
COIL CONTROL CIRCUIT
IGNITION COIL
SPARK PLUG
(K343) ASD RELAY OUTPUT CIRCUIT (INJECTOR)
INJECTOR CONTROL CIRCUIT
FUEL INJECTOR
INTERNAL FUEL LEAK
FUEL PUMP MODULE
RESTRICTED FUEL SUPPLY LINE
FUEL PUMP INLET STRAINER PLUGGED
PCM