Fuel Pressure Regulator: Service and Repair

Fuel Pressure Regulator:

Fuel Pressure Regulator Components:

REMOVAL
1. Remove the fuel pressure regulator mounting screws.
2. Remove the pressure regulator housing, spring with seats, diaphragm, and pivot. Clean the housing thoroughly to remove any foreign material.

INSTALLATION
1. Align the pressure regulator diaphragm vent hole with the vent holes in the throttle body and regulator housing.
2. Make sure the pivot assembly is between the diaphragm and the throttle body housing.
3. Install the spring and seats between the diaphragm and fuel pressure regulator housing, and install the mounting screws. Tighten the screws securely.
4. START the engine and check for leaks.
5. Perform fuel pressure regulator adjustment.