Yaris L4-1.5L (1NZ-FE) (2007)
4. Cover the disconnected fuel tube connector and pipe with a vinyl bag to prevent damage and the intrusion of foreign matter.
b. Observe the following precautions when removing and installing the fuel injector.
1. Do not reuse the O-ring.
2. When placing a new O-ring onto the injector, do not damage the O-ring.
3. Coat the new O-ring with grease or gasoline before installing it. Do not use engine, gear or brake oil.
c. Install the injector into the delivery pipe and cylinder head, as shown in the illustration. Apply grease or gasoline oil to the contact surfaces of
the delivery pipe and injector before installing the injector.
d. Observe these precautions when disconnecting the fuel tube connector.
1. Remove the fuel pipe clamp No.1.
2. Check whether there is any dirt in the pipe around the connector before disconnecting it and remove the dirt as necessary.
3. If the connector and pipe are stuck, pinch the retainer with your hand, then push and pull the connector to disconnect them. Do not use any
tools.