Fuel Pressure: Inspection

Gasoline engine model: 

Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO (EXCEPT FOR HEV))>FUEL>PROCEDURE>RELEASING OF FUEL PRESSURE .

Hybrid model: 

Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO(HEV))>FUEL>PROCEDURE>RELEASING OF FUEL PRESSURE .

1. Remove the fuel delivery tube clamp from the fuel delivery tube.
   • Gasoline engine model

     Courtesy of SUBARU OF AMERICA, INC.

   • Hybrid model

     Courtesy of SUBARU OF AMERICA, INC.

2. Disconnect the quick connector on the fuel delivery tube from the fuel pipe assembly.
   NOTE:

   Disconnect the quick connector as shown in the figure. 

   Courtesy of SUBARU OF AMERICA, INC.

   • Gasoline engine model

     Courtesy of SUBARU OF AMERICA, INC.

   • Hybrid model

     Courtesy of SUBARU OF AMERICA, INC.

3. Connect the fuel pressure gauge with ST1 and ST2.
   CAUTION:

   • Check that there is no damage or dust on the quick connector. If necessary, clean the seal surface of the pipe. 
   • When connecting the quick connector with slider, make sure to insert it all the way in before locking the slider. 
   • When it is difficult to lock the slider, check that the connector is fully inserted. 
   • After locking the slider, pull the quick connector body in the removal direction and then push it in the connecting direction, in order to check that the quick connector is securely connected. Always make sure to perform this confirmation ending up with a pushing in.