Operation CHARM: Car repair manuals for everyone.

Line 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 fuel main hose.
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: 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