Econoline E450 V8-5.4L SOHC VIN L (1998)
Fuel Pressure Test Port: Service and Repair
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 CAN BE IGNITED,
RESULTING IN POSSIBLE PERSONAL INJURY.
-
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.
1. Perform pre-service procedure.
2. Disconnect the battery ground cable.
3. Remove the (B) fuel pressure relief valve from the (A) fuel injection supply manifold.