F 150 2WD Pickup V8-351 5.8L (1986)
Fuel Pressure: Testing and Inspection
Fuel Pressure Test
NOTE: Perform Fuel System Capacity Test prior to performing Pressure Test. See: Fuel System Capacity Test
PRESSURE TEST
1. Connect a suitable pressure gauge (0-15 PSI) to the carburetor end of the fuel line.
WARNING: Use care to prevent combustion of spilled fuel.
2. Start the engine (it should be able to run for over 30 seconds on the fuel in the carburetor bowl) and read the pressure after 10 seconds. If pump
pressure is too low or too high install a new fuel pump.
Fuel Pump Pressure ............................................................................................................................................................................. 6.0-8.0 PSI
3. Reconnect fuel line at filter and install air cleaner.
