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.