Diesel Data: Automotive Repair

Fuel Pressure Control Solenoid: Testing and Inspection

FUEL PRESSURE SOLENOID CHECK

NOTE: When disconnecting the vacuum hose, always make a mark so that if can be reconnected at original position.







1. Disconnect the vacuum hose from the solenoid valve.
2. Disconnect the harness connector.
3. Connect a hand vacuum pump to the nipple.




4. Connect a battery to the solenoid valve and apply a vacuum to check air-tightness.
5. Measure the resistance between the terminals of the solenoid valve.