Fuel Pressure Gage Installation and Removal

FUEL PRESSURE GAGE INSTALLATION AND REMOVAL

TOOLS REQUIRED
SA9127E Gage Bar Set

INSTALLATION PROCEDURE
1. Remove the intake air duct with resonator from the engine.




2. Connect one end of the gage hose (1) from the SA9127E, to the fuel shut off and bleed assembly (5).
3. Connect the other end of the gage hose (1) to the fuel pressure gage side of the gage bar set (2).
4. Remove the schrader valve cap.
5. Connect the fuel shut off and bleed assembly (5) to the schrader valve on the fuel feed pipe (4) near the fuel rail. Use a shop towel in order to catch any remaining fuel that may leak.
6. Use the scan tool, in order to pressurize the fuel system. Refer to Scan Tool Output Controls - Computers and Control Systems.
7. Use the drain hose (3) of the fuel shut off and bleed assembly (5) to bleed any trapped air from the lines and hoses.
8. After bleeding the lines and hoses, pressurize the fuel system.
9. Inspect for any fuel leaks.

REMOVAL PROCEDURE




1. Start the engine and command the fuel pump OFF with the scan tool. Refer to Scan Tool Output Controls - Computers and Control Systems.
2. Run the engine until the engine stalls.
3. Use the drain hose (3) of the fuel shut off and bleed assembly (5) in order to drain any remaining fuel from the gage, the lines, and the hoses.
4. Disconnect the gage hose (1) from the fuel shut off and bleed assembly (5).
5. Remove the fuel shut off and bleed assembly (5) from the fuel feed pipe (4). Use a shop towel in order to catch any remaining fuel that may leak.
6. Install the schrader valve cap in order to protect the fitting from dirt and contaminants.
7. Install the intake air duct to the engine.
8. Perform the idle learn procedure. Refer to Idle Learn Procedure.