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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1295 (2.4L - DTCS C0061 To P0303) >> DTC Troubleshooting >> P0301-Cylinder 1 Misfire >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
ENGINE OIL LEVEL LOW/AERATED OR CONTAMINATED
INCORRECT ENGINE OIL FILTER
ENGINE VACUUM LEAK
FAULTY FUEL INJECTOR
FAULTY IGNITION COIL, WIRING OR SPARK PLUG
CRANKSHAFT POSITION SENSOR (CKP) OR TONE WHEEL ISSUES
EXCESSIVE CARBON BUILD-UP IN CYLINDER HEAD OR COMBUSTION CHAMBER
VARIABLE VALVE ACTUATION (VVA) SYSTEM ISSUES
COOLANT LEAKING INTO A CYLINDER
FAULTY CYLINDER HEAD GASKET
ENGINE MECHANICAL/LOW COMPRESSION
WORN CAMSHAFT LOBES, SPRINGS OR ROCKER ARMS
POWERTRAIN CONTROL MODULE (PCM)

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