Ranger 4WD V6-3.0L VIN U (1997)
Fuel Pressure Test Port: Service and Repair
WARNING: Fuel supply lines will remain pressurized for some period of time after the engine is shut off. This residual pressure must be
relieved before servicing of the fuel system is begun.
Fuel Pressure Regulator
REMOVAL
1. If fuel injection supply manifold is mounted to engine, remove fuel tank filler cap, then release pressure from system at fuel pressure relief valve
on fuel injection supply manifold using MFI Fuel Pressure Gauge T80L-9974-B.
2. Using a socket wrench, remove fuel pressure relief valve from fuel injection supply manifold.
INSTALLATION
1
Install fuel pressure relief valve and cap. Tighten fuel pressure relief valve to 8.0 N.m (71 in lb) and the cap to 1.0 N.m (9.0 in lb).
2. Perform post-service procedures. Refer to Fuel and Air Induction Systems/Service and Repair to properly resore fuel pressure.
