Fuel Pressure Test

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⁾

⁽¹⁾	Fuel pressure readings will be 1-3 psi (0.1-0.2 kg/cm² ) higher at high altitudes.

⁽²⁾	Information not available from manufacturer.