Operation CHARM: Car repair manuals for everyone.

Line Pressure

Pressure Gauge Hook-Up:






WARNING: Before performing this procedure, release fuel pressure.


1. Disconnect negative battery terminal.
2. Install pressure gauge.
3. Reconnect battery.

Data Link Connector:







4. Connect data link connector terminals F/P and GND with jumper wire.
5. Turn ignition "ON" and check line pressure.

PRESSURE: 39 - 45 psi (270 - 310 kPa)

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