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rough idle 900 1996

every now and then i get a slight rough idle. what can this be? bad gas?maybe the injectors need cleaning????????? 96 960 173000








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    rough idle 900 1996

    Bad gas and bad injectors are possible but not likely.
    What is the idle speed?
    Is the check engime light on?
    Define "slight rough idle". A rythmic miss as if 1 cylinder cutting out?
    Any other driving symptoms?
    Has the car been had new plugs and servicing done?
    --
    David Hunter







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