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    Give it a miss

    Toyota Toyota Advice Toyota Corolla Toyota Corolla Advice Toyota Corolla 2004
    AT 38,000km my 2004 Toyota Corolla developed what felt like a minor miss in the engine. The manual indicated the spark plugs should be changed at 40,000km. I changed all the plugs and this alleviated the miss. Can I use long-life spark plugs? If so will this damage the engine in any way or improve my fuel economy.
    Answered by CarsGuide
    30 October 2008
    CarsGuide team

    YOU can use them without causing any damage to your engine, but long-life spark plugs are considerably more expensive than regular ones and you should consider this before installing them.

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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