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 test connector. See Fig. 6. Turn ignition on. Ground jumper wire to FP lead. Note fuel pump pressure. See FUEL PUMP SPECIFICATIONS table.
FUEL PUMP SPECIFICATIONS
| Application | Specification | ||
|---|---|---|---|
| 3.0L MPFI | |||
| Pressure | 39 psi (2.7 kg/cm2 ) | ||
| Volume | 1 pint (.5L) in 30 seconds | ||
| 3.8L MPFI | |||
| Pressure | |||
| Delivery | 35-45 psi (2.5-3.2 kg/cm2 ) | ||
| Working | 35 psi (2.5 kg/cm2 ) | ||
| Volume | 1.5 pints (.72L) in 30 seconds | ||