Fuel Pressure: Testing and Inspection

Special Tools:

Fuel System Pressure Check - 4.0L

1. Disconnect the battery ground cable.
2. Remove the engine cover.
3. Release the clip and disconnect the purge line.
4. Remove the fuel rail Schrader valve cap.





5. Install the special tool to the fuel rail Schrader valve.





6. Connect the purge line.

WARNING:
^ Do not carry or operate cellular phones when working on or near any fuel related components. Highly flammable vapors are always present and may ignite. Failure to follow these instructions may result in personal injury.
^ Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel related components. Highly flammable vapors are always present and may ignite. Failure to follow these instructions may result in personal injury.
^ The spilling of fuel is unavoidable during this operation. Ensure that all necessary precautions are taken to prevent fire and explosion.

7. Start and run the engine.
^ Open the valve on the special tool.
^ Note the fuel pressure readings.

8. For fuel pressure data refer to specifications.
9. Close the special tool valve.
10. Release the clip and disconnect the purge line.
11. Disconnect the special tool from the Schrader valve.
12. Install the Schrader valve cap.
13. Connect the purge line.
14. Install the engine cover.
15. Connect the battery ground cable.