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 Check
For information on Ford Color Coded Illustrations refer to OEM Color Coding .
Special Tool(s) / General Equipment
| 310-D009 (D95L-7211-A) Fuel Pressure Test Kit | |
|---|---|
Check
- Release the fuel system pressure. Refer to: Fuel System Pressure Release .
- Disconnect the battery ground cable. Refer to Battery Disconnect and Connect
- Disconnect the fuel supply line-to-fuel rail quick release coupling. Refer to: Quick Release Coupling .
- Separate fuel supply line from the bracket on the upper transmission bell housing.
- Install the Fuel Pressure Test Kit between the fuel supply line and the fuel rail. Use Special Service Tool: 310-D009 (D95L-7211-A) Fuel Pressure Test Kit.
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NOTE: The Fuel Pump (FP) control module electrical connector was previously disconnected to release the fuel system pressure and must be reconnected to test the fuel system pressure.
Reconnect the Fuel Pump (FP) control module electrical connector.
- Reconnect the battery ground cable. Refer to Battery Disconnect and Connect
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NOTE: Carry out a Key ON Engine OFF (KOEO) visual inspection for fuel leaks prior to completing the fuel system pressure test.
Test the fuel system pressure to make sure it is within the specified range. For additional information, refer to SPECIFICATIONS .
- After completion of the fuel system pressure test, disconnect the battery ground cable, open the drain valve on the Fuel Pressure Test Kit and release any residual fluid into an appropriate container. Refer to Fuel System Pressure Release .
- Remove the Fuel Pressure Test Kit by reversing the installation steps.
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.