Nissan Juke Service and Repair Manual : Three Way Catalyst

If a large amount of unburned fuel flows into the catalyst, the catalyst temperature will be excessively high. To prevent this, follow the instructions.

• Use unleaded gasoline only. Leaded gasoline will seriously damage the three way catalyst.

• When checking for ignition spark or measuring engine compression, make tests quickly and only when necessary.

• Do not run engine when the fuel tank level is low, otherwise the engine may misfire, causing damage to the catalyst.

Do not place the vehicle on flammable material. Keep flammable material off the exhaust pipe and the three way catalyst.

    General Precautions
    • Do not operate the engine for an extended period of time without proper exhaust ventilation. Keep the work area well ventilated and free of any inflammable materials. Special care should be tak ...

    Multiport Fuel Injection System or Engine Control System
    • Before connecting or disconnecting any harness connector for the multiport fuel injection system or ECM: Turn ignition switch to “OFF” position. Disconnect negative battery terminal. Otherwise, ...

    Other materials:

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    Unexpected brake pedal reaction
    Description A malfunction of brake pedal feel (height or others) is detected when brake pedal is depressed. Diagnosis Procedure 1.CHECK FRONT AND REAR AXLE Check that there is no excessive looseness in front and rear axle. • Front axle: Refer to FAX-41, "Inspection". • Rear axle: ...

    Draining
    WARNING: • Never remove radiator cap when engine is hot. Serious burns may occur from high-pressure engine coolant escaping from radiator. • Wrap a thick cloth around the radiator cap. Slowly turn it a quarter of a turn to release built-up pressure. Then turn it all the way. 1. Connect dr ...