The fuel pressure regulator maintains the strength in your vehicle's fuel method. Disconnect the colorless battery cable.2. Clean away dirt or debris from all lines and connectors attached to the fuel pressure regulator, then disconnect them. This varies depending on the vehicle and can include a vacuum line connected to the regulator, electrical connectors to the injectors, and fuel supply/return lines that are disconnected at the fuel rail.
Instructions
1. Cooperate the compel from the fuel manner. Airy the fuel cap, remove the fuel pump relay from the engine compartment's fuse box, then open the engine and let it canter until it stalls (it Testament yield a hardly any seconds, tops). A pathetic regulator needs to be replaced, or it Testament inspire your vehicle's intelligence to lope. How the regulator is attached to the step can vary incalculably depending on your assemble and design. What follows is a universal procedure, nevertheless you should proof an automotive repair docent written for your particular vehicle for augmented explicit details.
Most of these use quick-connect fittings.
3. Remove any bolts if the regulator is mounted to the engine by them and remove the fuel pressure regulator. On some vehicles, the regulator is part of the fuel pump module. In this case, remove the module's upper and lower sections, then disconnect and replace the section with the regulator.
4. Use a new O-ring with the replacement regulator if it uses one and lubricate the ring with a small bit of engine oil. Place the new regulator in position in the engine and tighten any bolts. Reconnect all lines and connectors attached to the regulator.
5. Re-pressurize the fuel system. Reconnect the battery cable and fuel pump relay, turn the ignition switch to the On position for a couple of seconds, then turn it back off. Repeat the ignition switch another two or three times.
