PRECAUTIONS 1. Before working on the fuel system, disconnect the negative terminal from the battery. NOTE: Any diagnosis code retained by the computer will be cleared when the battery terminal is removed. Therefore, if necessary, read the diagnosis before removing the battery terminal. 2. When working on the fuel system, do not smoke or work near any fire. 3. Keep gasoline off rubber or leather parts. INSPECTION PRECAUTIONS MAINTENANCE PRECAUTIONS 1. INSURE CORRECT ENGINE TUNE-UP 2. PRECAUTIONS WHEN CONNECTING GAUGE (a) Connect the tachometer to the service connector. (b) Use the battery as the power source for the timing light, tachometer, etc. 3. IN EVENT OF ENGINE MISFIRE, THE CATALYTIC CONVERTER MAY OVERHEAT. THEREFORE, THE FOLLOWING PRECAUTIONS SHOULD BE TAKEN (a) Insure correct drive belt adjustment. (b) Insure proper connection of battery terminals, etc. (c) Handle spark plug cords carefully. (d) After repair work, insure 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. 4. PRECAUTIONS WHEN HANDLING OXYGEN SENSOR (a) Do not allow oxygen sensor to drop or hit against an object. (b) Do not allow water to come into contact with the sensor or attempt to cool it.