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Home >> Jeep >> 2024 >> Grand Cherokee Summit >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 70 (2.0L - DTCS P0270 To P0303) >> DTC Troubleshooting >> P0300-Multiple Cylinder Misfire >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
ENGINE OIL LEVEL LOW/AERATED OR CONTAMINATED
INCORRECT ENGINE OIL FILTER
INSUFFICIENT OIL PRESSURE DUE TO A MECHANICAL FAILURE IN THE OILING SYSTEM
ENGINE VACUUM LEAK
EXHAUST RESTRICTION
FAULTY IGNITION COIL OR SPARK PLUG
FUEL SYSTEM ISSUES (POOR QUALITY OR FUEL PRESSURE ISSUE)
FAULTY FUEL INJECTOR
CRANKSHAFT POSITION SENSOR (CKP) OR TONE WHEEL ISSUES
EXCESSIVE CARBON BUILD-UP OR VALVETRAIN ISSUE
VARIABLE VALVE TIMING (VVT) SYSTEM ISSUES
COOLANT LEAKING INTO A CYLINDER
ENGINE MECHANICAL/LOW COMPRESSION
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .