Question about 2004 Renault 181

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I have a Renault Megane 1.4 16v on a 04 plate, the engine revs itself from normal tick over speed to approx. 2000 revs. The garage have fitted a new ECU and re mapped it, throtle body, potentiometer on throtle,timing belt and sensor. They still can't fix it, have you any ideas.

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  • Anonymous Nov 28, 2008

    Precisely the same as above on 1.4 single point injection model, 2001 car.

  • Anonymous Mar 22, 2014

    misses when pulling away.

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Have you tried the idle control valve, these can stick & cause the engine to rev high. Have had this problem on a few cars, a Vectra being the worst, but quick clean with brake cleaner & good as new.

Posted on Jan 16, 2009

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