Diesel Data: Automotive Repair

High or Low Oil Pressure

HIGH OR LOW OIL PRESSURE
1. Incorrect oil level.
2. Electronic Pressure Control (EPC) solenoid inoperative.
3. Pressure regulator spring damage.
4. Pressure regulator valve or valve bore nicked or scored.
5. Throttle position sensor (TPS) out of range.
6. Oil pump seals and/or vanes damaged.
7. Oil pump driveshaft broken or damaged.