F 150 Heritage 2WD Pickup V8-4.6L SOHC VIN W (2004)
Fuel Pressure Regulator: Service and Repair
FUEL PRESSURE REGULATOR
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. Disconnect the fuel pressure regulator vacuum hose.
3. Remove the snap ring and the fuel pressure regulator.
4. Remove and discard the fuel pressure regulator O-rings.
INSTALLATION
1. CAUTION: Use O-rings that are made of special fuel-resistant material. Use of ordinary O-rings can cause the fuel system to leak. Do
not reuse O-rings.
NOTE: Lubricate the new O-rings with clean engine oil to aid installation.
