Fuel Pressure Test
WARNING: This page is about a different car, the 2002 Subaru Outback, 2002 Subaru Legacy, 2002 Subaru Impreza, and 2002 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Fuel pressure information not available from manufacturer for Outback 3.0L engine.
Relieve fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Remove fuel filler cap. Disconnect fuel delivery hoses from fuel filter, and install fuel pressure gauge. Install fuel filler cap. Start engine and check fuel pressure at idle. See FUEL PRESSURE AT IDLE table.
FUEL PRESSURE AT IDLE
| Application | Vacuum Line Disconnected - psi (kg/cm2 ) | Vacuum Line Connected - psi (kg/cm2 ) | ||||
|---|---|---|---|---|---|---|
| 2.0L Engine | (1) 41-46 (2.88-3.23) | (1) 33-38 (2.32-2.67) | ||||
| 2.5L Engine | (1) 41-46 (2.88-3.23) | (1) 30-34 (2.11-2.39) | ||||
| 3.0L Engine | (2) | (2) | ||||
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