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Fuel Pressure Gage Installation and Removal




Fuel Pressure Gage Installation and Removal

Special Tools
* AU-338 Fuel Pressure Gage
* AU-465 Fuel Pressure Gage Hose Adapter

Removal Procedure

1. Turn OFF the ignition.
2. Command the fuel pump OFF with the scan tool.
3. Open the bleed valve on the fuel pressure gage in order to bleed the remaining fuel from the fuel pressure gage.
4. Remove the bleed hose from the fuel pressure gage.




5. Disconnect the AU-338 (2) fuel pressure gage from the AU-465 (1). Wrap a shop towel around the fitting while connecting the gage in order to avoid spillage.
6. Disconnect the AU-465 (1) fuel pressure test hose adapter to the fuel pressure connection. Wrap a shop towel around the fitting while connecting the AU-465 (1) in order to avoid spillage.
7. Install the fuel pressure service connection dust cap to the fuel rail.
8. Install the engine covers. Refer to Engine Cover Replacement (Service and Repair).

Installation Procedure

Warning: Refer to Gasoline/Gasoline Vapors Warning (Service Precautions).


Caution: Clean all of the following areas before performing any disconnections in order to avoid possible contamination in the system:

* The fuel pipe connections
* The hose connections
* The areas surrounding the connections

1. Remove the engine covers. Refer to Engine Cover Replacement (Service and Repair).




2. Remove the fuel pressure service connection dust cap from the fuel rail.
3. Connect the AU-465 (1) fuel pressure test hose adapter to the fuel pressure connection. Wrap a shop towel around the fitting while connecting the AU-465 (1) in order to avoid spillage.
4. Connect the AU-338 (2) fuel pressure gage to the AU-465 (1). Wrap a shop towel around the fitting while connecting the gage in order to avoid spillage.
5. Turn ON the ignition.

Warning

Do not drain the fuel into an open container. Never store the fuel in an open container due to the possibility of a fire or an explosion.

6. Place the bleed hose of the fuel pressure gage into a suitable container.
7. Open the bleed valve on the fuel pressure gage in order to bleed the air from the fuel pressure gage.
8. Command the fuel pump ON with a scan tool.
9. Close the bleed valve on the fuel pressure gage.
10. Inspect for fuel leaks.

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