RAV4 4WD L4-2.0L (3S-FE) (1996)
Fuel Pressure Release: Service Precautions
General Fuel System Repair Procedures
PRECAUTIONS
1. Before working on the fuel system, disconnect the negative (-) terminal cable from the battery.
HINT: Any diagnostic trouble code retained by the computer will be erased when the negative (-) terminal cable is removed.
Therefore, if necessary, read the diagnosis before removing the terminal.
2. Do not smoke or work near an open flame when working on the fuel system.
3. Keep gasoline away from rubber or leather parts.
MAINTENANCE PRECAUTIONS
1. IN EVENT OF ENGINE MISFIRE, THESE PRECAUTIONS SHOULD BE TAKEN
-
Check proper connection to battery terminals. etc.
-
After repair work, check that the ignition coil terminals and all other ignition system lines are reconnected securely.
-
When cleaning the engine compartment, be especially careful to protect the electrical system from water.
2. PRECAUTIONS WHEN HANDLING OXYGEN SENSOR
-
Do not allow oxygen sensor to drop or hit against an object.
-
Do not allow the sensor to come into contact with water.
FUEL SYSTEM SERVICE PROCEDURES
1. When disconnecting the high fuel pressure line, a large amount of gasoline will spill out, so observe the following procedures:
-
Disconnect the fuel pump connector.
-
Start the engine. After the engine has stopped on its own, turn the ignition switch to LOCK.
-
Put a container under the connection.
-
Slowly loosen the connection.
-
Disconnect the connection.
-
Plug the connection with a rubber plug.
2. When connecting the flare nut or union bolt on the high pressure pipe union, observe the following procedures: