Fuel Pressure Release: Service and Repair

Release Residual Pressure in Fuel Line

CAUTION:
There may be some residual pressure even after "Release Residual Pressure in Fuel Line" work, so cover the hose connection with a shop towel to prevent residual fuel from spilling out before disconnecting any fuel connection.

1. Turn the ignition switch OFF and disconnect the battery (-) cable.
2. Remove the rear seat cushion.
3. Remove the service cover (A).




4. Disconnect the fuel pump connector (A).




5. Reconnect the battery negative cable.
6. Run the engine for about 1 minutes to lower the pressure in the low pressure line.
7. Turn the engine off.
8. Disconnect the low pressure fuel line quick connector at the High Pressure Pump. Use rags to cover opening and catch spills while removing the fuel line.
9. Start the engine and let it idle until the engine stops. At this point the pressure should be under 30 psi.
10. Proceed with the service or repair. Use rags to cover opening and catch spills when opening up the high pressure system.
11. Reinstall / re-connect all components in reverse order of removal. Start engine and confirm proper operation, and make sure there are no fuel leaks.
12. After completing, clear DTC(s) using GDS scan tool (the procedure described above will cause DTC to set).