Removing
Disconnect the wire from the negative battery terminal.
Disconnect the throttle control cable from the throttle body.
Disconnect the air supply hose from the throttle body.
Disconnect the vacuum hose and system hose from the top of the intake manifold crankcase ventilation.
Remove the bolts securing the top of the intake manifold to the bottom.
Remove the intake manifold top and gasket.
Disconnect the fuel drain hose from the pressure regulator.
Remove the pressure regulator.
Installation
Reinstall the pressure regulator with a new seal.
Connect the fuel drain hose to the regulator with a new tie-down clamp.
Install the upper part of the intake manifold with a new gasket.
Connect the vacuum hose and crankcase ventilation hose to the top of the manifold.
Connect the air supply hose to the throttle body.
Connect the throttle control cable to the lever on the throttle body.
Connect the wire to the negative terminal of the battery.