Fuel Pump

Disconnect fuel return line at fuel rail. Connect fuel hose to fuel container. Connect fuel pressure gauge at diagnostic valve on fuel rail. Install jumper wire to FP lead of VIP Self-Test connector. See Fig 1 . Turn ignition on. Ground jumper wire to FP lead. Note fuel pump pressure. See FUEL PUMP SPECIFICATIONS table.

Fig 1: VIP Self-Test Connector Terminal Identification

Courtesy of FORD MOTOR CO

FUEL PUMP SPECIFICATIONS

Application

⁽¹⁾ Specification psi (kg/cm² )

Pressure

3.0L MPFI

35-45 (2.5-3.2)

3.0L SHO

30-45 (2.1-3.2)

3.8L SEFI

35-45 (2.5-3.2)

3.8L Supercharged

35-40 (2.5-2.8)

Volume

Except Supercharged

1 pint (.5L) in 30 seconds

Supercharged

1.5 Pt. (.72L) in 30 seconds

⁽¹⁾	Key on, engine off. Engine running pressure may be 5 psi (.4 kg/cm² ) less.