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bouncing revs

  1. Small/Medium Vauxhall Cars Area
    Having an issue with my Meriva in that the revs are bouncing on idle, they bounce between approx 400-600 and is accompanied by a " putt putt" type sound from the exhaust. The car drives brilliantly, there is no miss whilst driving the car (or at least that I can tell), it's just when the car is...