Hold Pressure

Hold Pressure Check:

WARNING: Before performing this procedure, release fuel pressure.


1. Disconnect negative battery terminal.
2. Install pressure gauge between fuel filter and main fuel hose.
3. Reconnect battery.

Data Link Connector:

4. Connect data link connector terminals F/P and GND with jumper wire.
5. To run pump, turn ignition "ON" for 10 seconds.
6. Turn ignition "OFF" and remove jumper wire.
7. After 5 minutes, fuel pressure should be more than:

PRESSURE: 21 psi (150 kPa)

8. If not as specified, check:
a. Fuel pump hold pressure
b. Pressure regulator hold pressure
c. Injector leakage