For 1990-2009 cars only
Removal Procedure
- Disconnect the negative battery cable.
- Relieve the fuel system pressure. Refer to the Fuel Pressure Relief .
- Remove the intake manifold plenum. Refer to Intake Manifold Removal in Engine Mechanical.
- Disconnect the vacuum line to the regulator.
- Remove the snap ring (1) from the pressure regulator housing.
- Place a towel under regulator to catch any fuel, then remove pressure regulator from fuel socket. Twist back and forth while pulling from the socket.
- Remove the fuel pressure regulator (2) from the fuel rail socket.
- Remove the pressure regulator small O-ring (6), filter (5), large O-ring (4), O-ring backup (3), and discard.
Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.
Installation Procedure
- Lubricate the new pressure regulator O-rings (4) and (6) with clean engine oil and install on the regulator inlet as a complete assembly.
- Install the snap ring retainer (1) into the slot on the fuel regulator housing.
- Connect the vacuum line to the regulator.
- Install the intake manifold plenum. Refer to Intake Manifold Installation in Engine Mechanical.
Important:
• Verify that retainer is engaged in slot in pressure regulator
housing. Grasp and pull on regulator (2) to ensure that it is properly seated. • Turn ignition to ON for two seconds and then turn OFF for 10 seconds.
Once again turn the ignition to ON and check for fuel leaks.
