Q: How to Remove and Install a Pressure Regulator?
A: To remove the pressure regulator, start by removing the air cleaner assembly. Then, release the fuel system pressure and disconnect the negative cable at the battery. On certain models, remove the fuel inlet chamber and vacuum tube from the regulator and throttle body. Wrap a cloth around the fuel inlet chamber to catch any residual fuel, and carefully withdraw the pressure regulator from the throttle body. Remove the O-ring and gasket. To install the pressure regulator, place a new gasket and O-ring, and on specific models, install the regulator onto the throttle body with retaining screws. Install the vacuum tube and fuel inlet chamber if applicable. Finally, connect the negative battery cable and reinstall the air cleaner assembly.