Fuel Pressure Regulator Control Inspection

View: Pressure Regulator Control System:

SYSTEM OVERVIEW

View: Pressure Regulator:

SYSTEM INSPECTION
1. Start the engine and run it at idle.
2. Disconnect the vacuum hose from the pressure regulator. Verify that vacuum is felt.

View: Grounding The Pressure Regulator Control Solenoid Valve:

3. Ground the pressure regulator control (PRC) solenoid valve terminal A with a jumper wire. Verify that NO vacuum is felt.
4. If vacuum exists, check the PRC solenoid valve.