626 V6-2496cc 2.5L DOHC (1995)
Fuel Pressure: Testing and Inspection
Line Pressure
Warning: Fuel line spills and leaks are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin
and eyes. To prevent this, always complete the "Fuel Line Safety Procedures". See: Fuel Line Safety Procedures
1. Disconnect the negative battery cable.
WARNING: Always release fuel pressure before disconnecting a fuel line.
2. Install a fuel pressure gauge between the fuel filter and the main fuel hose. (Install clamps as shown.)
3. Connect the negative battery cable.
Data Link Connector
4. Connect data link connector terminals F/P and GND with a jumper wire.
5. Turn the ignition switch ON.
6. Measure the fuel line pressure.
Fuel line pressure: 270-310 kPa (39-45 psi)
Pressure low - Measure fuel pump maximum pressure. If as specified, fuel line or fuel filter might be clogged or restricted.
Pressure high - Replace pressure regulator.
