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Fuel Pressure

Relieve fuel pressure. See RELIEVING FUEL PRESSURE  . Disconnect fuel hose at pressure regulator and install fuel pressure gauge using "T" connector. Start engine and check fuel pressure at idle. See FUEL PRESSURE AT IDLE  table. Verify fuel pressure increases as specified.

FUEL PRESSURE AT IDLE

Application Vacuum Line Connected - psi (kg/cm2 ) Vacuum Line Disconnected - psi (kg/cm2 )
Except Forester 26-30 (1.8-2.1) 41-46 (2.9-3.2)
Forester 30-34 (2.1-2.4) 41-46 (2.9-3.2)