F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
Fuel Pressure Test Port: Service and Repair
PRESSURE RELIEF VALVE
REMOVAL
WARNING:
-
Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly
flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in personal injury.
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Fuel in the fuel system remains under high pressure even when the engine is not running. Before working on or disconnecting any of the
fuel lines or fuel system components, the fuel system pressure must be relieved. Failure to follow these instructions may result in personal
injury.
1. Relieve the fuel pressure.
2. Remove the (1) fuel pressure relief valve from the (2) fuel injection supply manifold.
INSTALLATION
1. To install, reverse the removal procedure.
