Fuel system decompression procedure [Toyota 4Runner N120]

1. Before repairing any part of the fuel system, it is necessary to relieve the fuel pressure to avoid fire and injury to service personnel.

2. Unscrew the filler cap. This will release the residual pressure in the tank.

3. The pressure can be relieved by disconnecting the connector from the fuel pump, or by de-energizing the pump relay.

4. After disconnecting, start the engine, wait until the engine stops and turn off the ignition.

5. After completing these measures, there is no pressure in the fuel system.

6. Before working on the fuel system, disconnect the battery from ground.

The publication is taken from the website ToyotaMan.ru