Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Fuel System Pressure Release
2021 Ford Edge SE, 4WDSECTION Fuel System Pressure Release
WARNING: This page is about a different variant/trim than selected.
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
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NOTE: The Fuel Pump Control Module is located under the vehicle above the LH side of the rear sub-frame.
Disconnect the Fuel Pump Control Module electrical connector.
- 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.
- Turn the ignition switch to the OFF position.
- Disconnect battery ground cable. Refer to: BATTERY DISCONNECT AND CONNECT .
- When the fuel system service is complete, reconnect the Fuel Pump Control Module electrical connector.
- Reconnect battery ground cable. Refer to: BATTERY DISCONNECT AND CONNECT .
- Cycle the ignition key and wait 3 seconds to pressurize the fuel system. Check for leaks before starting the engine.
- When service on the high pressure fuel system (high pressure pump, fuel injectors and fuel rail) is completed, start the engine and check for leaks.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.