Fuel Pressure Test
WARNING: This page is about a different car, the 2003 Subaru Outback, 2003 Subaru Legacy, 2003 Subaru Impreza, 2003 Subaru Forester, and 2003 Subaru Baja. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For information on testing individual fuel system components, see FUEL SYSTEMS in SYSTEM & COMPONENT TESTING
article.
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 Connected psi (kg/cm2 ) | Vacuum Line Disconnected psi (kg/cm2 ) | ||
|---|---|---|---|---|
| All Models | (1) 30-34 (206-235) | (1) 41-46 (284-314) | ||
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