DESCRIPTION:This diagnosis is typically oil pressure stuck.

MONITORED PARAMETER:Engine oil pressure.

TYPICAL ENABLING CONDITIONS:Always enabled

MONITOR SEQUENCE:1. Key on.2. Engine running at speeds below 625 rpm.

EXECUTION FREQUENCY:Continuous when enabling conditions are met.

TYPICAL DURATION:Two seconds

DASH LAMPS:CEL

ENGINE REACTION:1. None.2. Engine derate or engine shut down.3. Calibration dependent.

VERIFICATION:1. While the engine is at normal operating temperature.2. Road test performing several decelerations.

NOTE: If diagnostic leads to a mechanical (non-electrical) low oil pressure condition, all mains, and connecting rods should be inspected.