Mustang GT V8-4.6L SOHC VIN X (1998)
Fuel Pressure Test Port: Service and Repair
Fuel Pressure Gauge
SPECIAL TOOL(S) REQUIRED
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 multiport fuel injection Fuel Pressure Gauge 310-012 (T80L-9974-B).
NOTE: Fuel pressure relief valve cap on fuel pressure relief valve must be removed.
2. Using an open-end wrench or suitable deep well socket, remove fuel pressure relief valve.
INSTALLATION
1. Install fuel pressure relief valve. Tighten fuel pressure relief valve to 7.75 Nm (68 lb-in).
2. Perform post-service procedures. See: Fuel Filter/Fuel Pressure Release/Service and Repair
3. Install fuel pressure relief valve cap. Tighten fuel pressure relief valve cap to 0.6 Nm (5 lb-in).