Tundra 2WD V6-4.0L (1GR-FE) (2005)
a. When disconnecting the high fuel pressure line, a large amount of gasoline will spill out. Be sure to observe the following procedures:
1. Remove the circuit opening relay.
2. Start the engine. After the engine has stopped on its own, turn the ignition switch off.
3. Put a container under the connecting part of the pressure line.
4. Slowly loosen the connection.
5. Disconnect the connection.
6. Plug the connection with a rubber plug.
7. Install the circuit opening relay.
b. Observe the following precautions when removing and installing the injectors.
1. Never reuse the O-ring.
2. When placing a new O-ring on the injector, take care not to damage it in any way.
3. Coat a new O-ring with spindle oil or gasoline before installing. Never use engine oil, gear oil or brake fluid.
c. Install the injector to the delivery pipe and lower intake manifold as shown in the illustration.