For 1990-2009 cars only
Removal Procedure
Important: Always maintain cleanliness when servicing fuel system components.
- Relieve the fuel pressure. Refer to Fuel Pressure Relief .
- Clean any dirt from the fuel pressure regulator retaining ring.
- Remove the vacuum line from the pressure regulator.
- Remove the snap ring (7).
- Using a shop towel to catch any spilled fuel; lift and twist the fuel pressure regulator in order to remove the fuel pressure regulator (6) from the fuel pressure regulator housing (1).
- Remove the small regulator O-ring (2).
- Remove the regulator O-rings (4,5).
- Cover the fuel pressure regulator housing (1) to prevent contamination from entering the fuel system.
Installation Procedure
Notice:
• Do not use compressed air in order to test or clean a fuel pressure
regulator as damage to the fuel pressure regulator may result. • Clean the fuel pressure regulator filter screen with gasoline
if necessary. • Do not immerse the fuel pressure regulator in a solvent bath in
order to prevent damage to the fuel pressure regulator.
- Install the new O-rings on the fuel pressure regulator (6), if a new fuel pressure regulator is not being installed. Lubricate the O-rings lightly with clean engine oil.
- Install the regulator O-rings (4,5).
- Install the small regulator O-ring (2).
- Install the fuel pressure regulator (6) in the fuel pressure regulator housing (1).
- Install the snap ring (7).
- Install the vacuum line to the fuel pressure regulator.
- Tighten the fuel fill cap.
- Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
- Inspect for leaks.
- Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.
| 9.1. | Turn ON the ignition for 2 seconds. |
| 9.2. | Turn OFF the ignition for 10 seconds. |
| 9.3. | Turn ON the ignition. |
| 9.4. | Inspect for fuel leaks. |
