Line Pressure

Warning: Fuel vapor is hazardous. It can easily ignite, causing injury and damage. Always keep sparks and flames away from fuel.

Line Presure
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.




4. Ground fuel pump terminal of the DLC by using a jumper as shown.
5. Turn the ignition switch ON.
6. Measure the fuel line pressure.

Fuel line pressure: 260-320 kPa (37-46 psi)

7. If not as specified, perform the following inspections.
- Fuel pump maximum pressure.
- Fuel line clogging and restriction.
- Fuel filter clogging and restriction.
- Pressure regulator hold pressure.