Operation CHARM: Car repair manuals for everyone.
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Hold Pressure

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

Hold Pressure
1. Disconnect the negative battery terminal.




2. Install a fuel pressure gauge between the fuel filter and the main fuel hose. (Install clamps as shown.)
3. Connect the negative battery terminal.




4. Ground fuel pump terminal of the DLC by using a jumper wire as shown.
5. Turn the ignition switch ON for 10 sec. to operate the fuel pump.
6. Turn the ignition switch OFF and disconnect the jumper wire.
7. Observe the fuel pressure after 5 min.

Fuel pressure: More than 150 kPa (21 psi)

8. If not as specified, perform the following inspections.
- Fuel pump hold pressure.
- Pressure regulator hold pressure.
- Injector fuel leakage.