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Home >> Jeep >> 2008 >> Commander Overland, RWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P050B To P0601 >> P0521-Engine Oil Pressure Sensor Performance >> Possible Causes
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Possible Causes

Possible Causes 
ENGINE OIL/ENGINE MECHANICAL
EXCESSIVE RESISTANCE IN THE (G6) ENGINE OIL PRESSURE SENSOR SIGNAL CIRCUIT
EXCESSIVE RESISTANCE IN THE (F855) 5-VOLT SUPPLY CIRCUIT
EXCESSIVE RESISTANCE IN THE (K900) SENSOR RETURN CIRCUIT
ENGINE OIL PRESSURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.