TC BY Maserati V6-181 2972cc 3.0L SOHC VIN S FI (1991)
Fuel Pressure Regulator: Service and Repair
Fuel Pressure Regulator Removal And Replacement
REMOVAL
1.
Fuel system pressure must be released prior to service. See: Fuel Filter/Fuel Pressure Release/Service and Repair
2.
Disconnect negative battery terminal and remove vacuum hose from fuel pressure regulator.
3.
Loosen and remove fuel return hose at pressure regulator.
4.
Remove the 2 fuel pressure regulator attaching nuts. Remove the fuel pressure regulator from the fuel rail. Check the fuel pressure regulator
O-ring and replace if worn or damaged.
INSTALLATION
1.
Lube the fuel pressure regulator O-ring with clean engine oil before installing regulator, then install regulator into receiver cup on fuel rail.
2.
Install fuel pressure regulator attaching nuts and torque to 65 lb-in (7 Nm).
3.
Install the fuel return hose and tighten the clamp to 10 lb-in (1 Nm).
4.
Install vacuum hose to fuel pressure regulator and reconnect negative battery terminal. Perform fuel system leak test. See: Fuel Pressure/Testing
and Inspection
