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    keywood's Avatar
    keywood Posts: 1, Reputation: 1
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    #1

    Oct 11, 2011, 06:19 AM
    Nissan micra 2000 faults?
    I can here a intermittent ratter ling noise when I acerlerate but not when I am going at a constant speed.I believe the engine is using slightly more fuel.The car has done 98,000 miles and it is a automatic Nissan w reg
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Oct 11, 2011, 06:26 AM
    The noise may be engine knock. Higher octane gas will likely eliminate the noise. If that solves the problem, a cheaper long-term solution may be to install colder running NGK spark plugs.
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