Line Pressure

System Pressure Check:

1. Disconnect negative battery terminal.
2. Install pressure gauge as shown.
3. Reconnect battery.
4. Connect diagnosis connector terminals F/P and GND with jumper wire.
5. Turn ignition ON and check line pressure. It should be 37 - 45 psi (255 - 313 kPa).
6. If pressure is low, check pump maximum pressure. If as specified, fuel line or filter may be clogged or restricted.
7. If pressure is high, replace pressure regulator.