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vacuum leak

  1. O

    Clio 2, 1.4-16V 2007 Unstable, noisy Idle with a hissing sound near the engine and increasing RPM even I released the pedal!

    My Renault Clio 2 1.4 16V , 2007 model engine has the following problems. (1) At cold start the the engine shoots up to 1200, when I step on the gas to rev up to 2000 and release pedal, the RPM keeps increasing up from 2500 to 3000 even if my foot is not on the gas. This does not happen when...