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    Mazda 3: High idle speed

    Mazda Mazda Advice Mazda 3 Mazda 3 Advice Mazda 3 2017

    Our Mazda 3 is only two months old, but I am concerned with the starting. When the engine is cold it immediately revs to 1500 rpm, for a period of 20-25 seconds, before the revs drop back to 800 rpm, where it idles. Mazda assures me that this is normal, and that it cannot be adjusted, although I know that it is not normal for all other cars. I am concerned about how this high revving will affect the life of the engine.

    Answered by CarsGuide
    23 November 2017
    Graham Smith

    It’s not unusual for a car to do that on a cold start. That’s the way it has been calibrated and it won’t affect the life of the engine.

    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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