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FAQ

  • 18 2019-11
    What are the effects of spark plug overheating?

    A Prolonged overheating may induce abnormal combustion such as pre-ignition and detonation resulting in melting of the spark plug electrodes and damage of engine.

  • 18 2019-11
    What is spark plug fouling?

    A It is a phenomenon by which carbon accumulated at the firing end causes electrical leakage that leads to misfiring.

  • 18 2019-11
    What kinds of spark plugs offer good resistance to carbon build-up?

    A A spark plug designed for the spark to jump along the insulator surface of firing end, in order to burn off accumulated carbon deposits which may lead to fouling. The intermittent discharge plug, the spark plug with a supplementary gap, and the semi surface gap type.

  • 18 2019-11
    What is the Iridium spark plug?

    A Iridium has very high melting point at 2545 centigrade much higher than that of platinum at 1772. This allows the electrode to be thinner than the platinum type, improving ignitability. In addition, the thermo edge designed in the Iridium spark plug makes it highly resistant to carbon fouling.

  • 18 2019-11
    What is a V-grooved type spark plug?

    A It has a 90°V-groove in the tip of the center electrode to enhance ignitability.

  • 18 2019-11
    What is a resistor spark plug?

    A It incorporates a ceramic resistor to suppress ignition noise generated during sparking. FEATURE It incorporates a ceramic resistor.

  • 18 2019-11
    What is the function of the ribs on the insulator?

    A They ensure insulation and prevent flash-ove

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