Fuel System Pressure Release

WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty and 2018 Ford F-450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

For information on Ford Color Coded Illustrations refer to OEM COLOR CODING .

Pressure release

With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
NOTE: Typical application shown.

NOTE: Pickup and Chassis Cab with midship fuel tank shown. The Fuel Pump Control Module (FPCM) is located on the frame crossmember near the rear muffler.

Disconnect the Fuel Pump Control Module electrical connector.

Courtesy of FORD MOTOR COMPANY
Start the engine and allow it to idle until it stalls.
After the engine stalls, crank the engine for approximately 5 seconds to make sure the fuel rail pressure has been released.
When the fuel system service is complete, reconnect the Fuel Pump Control Module electrical connector.

Courtesy of FORD MOTOR COMPANY
Cycle the ignition key and wait 3 seconds to pressurize the fuel system. Check for leaks before starting the engine.
When service on the fuel system is complete, start the engine and check for leaks.