Removal Procedure
- Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
- Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
- Disconnect the engine wiring harness from the retaining clips at the front of the engine.
Courtesy of GENERAL MOTORS CORP.
- Disconnect the fuel pressure regulator vacuum line.
- Clean any dirt from the fuel pressure regulator and the surrounding area.
- Disconnect the fuel return pipe. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
- Remove the fuel return pipe retainer.
- Remove the fuel pressure regulator retainer.
- Remove the fuel pressure regulator.
- Inspect the regulator filter screen for contamination. If contaminated, replace the fuel pressure regulator.