Line Pressure

Line Pressure:

WARNING: Before performing this procedure, release fuel pressure. Always keep sparks and flames away from fuel.


1. Disconnect negative battery terminal.
2. Install pressure gauge between fuel filter and fuel main hose.
3. Reconnect battery.
4. Ground data link connector terminal F/P jumper wire.
5. Turn ignition "ON" and check line pressure.

PRESSURE: 37 - 46 psi (260 - 320 kPa)

6. If not as specified, check:
a. Fuel pump maximum pressure
b. Fuel line clogging and restriction
c. Fuel filter clogging and restriction
d. Pressure regulator hold pressure