Pressure Regulator (IPR) Wiring Harness Connectors.
- Inspect fuel system, including fuel tank and fuel lines for kinks, bends and leakage. Repair as necessary. Check oil lines and high pressure oil pump for leaks. Repair as necessary. Inspect cooling system. Check radiator and heater hoses for leaks.
- Check Powertrain Control Module (PCM) and Injector Driver Module (IDM) wiring harness connectors for damaged pins, corrosion and loose wires. Repair as necessary.