Fuel Pressure: Inspection

WARNING: This page is about a different variant/trim than selected.

CAUTION:

Remove the collector cover.
NOTE: Follow the steps below when removing the collector cover.
1. Pull up the two points at the rear (A).
2. Pull up the two points at the front (B) while moving them forward.
  
  Fig 1: Removing Collector Cover
  Courtesy of SUBARU OF AMERICA, INC.
Release the fuel pressure. Refer to RELEASING OF FUEL PRESSURE .
Open the fuel filler lid and remove the fuel filler cap.
Disconnect the fuel delivery hose from fuel damper, and connect fuel pressure gauge.

Fig 2: Locating Fuel Delivery Hose Of Fuel Damper
Courtesy of SUBARU OF AMERICA, INC.
Start the engine.
Measure the fuel pressure after warming up the engine.
NOTE:
- The fuel pressure gauge registers 10 to 20 kPa (0.1 to 0.2 kgf/cm² , 1 to 3 psi) higher than standard values during high-altitude operations.
- Check or replace the fuel pump and fuel delivery line if the fuel pressure is out of the standard.
Fuel pressure:

Standard

340 - 400 kPa (3.5 - 4.1 kgf/cm ² , 49.3 - 58 psi)
After inspection, install the related parts in the reverse order of removal.
Tightening torque:

1.25 N.m (0.1 kgf-m, 0.9 ft-lb)