Removal & Installation
- If removing fuel pressure regulator while fuel injection supply manifold assembly is still installed on engine, release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Remove upper intake manifold. See UPPER INTAKE MANIFOLD .
- Remove vacuum hose at fuel pressure regulator. Disconnect Intake Manifold Runner Control (IMRC) operating rod. Remove 2 fuel pressure regulator mounting bolts. Remove fuel pressure regulator assembly, gasket and discard "O" ring.
- To install, ensure sealing surfaces are clean. Lubricate NEW "O" ring with clean 5W-30 engine oil. Install NEW "O" ring and gasket on fuel pressure regulator. Install fuel pressure regulator on fuel injection supply manifold assembly, and tighten bolts to specification. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedures.