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    Re: mg zt ,2002 2500cc petrol Archived Message

    Posted by Tony Ludford on July 30, 2008, 8:23 am, in reply to "mg zt ,2002 2500cc petrol "

    Have you checked for air leaks in the breather pipework? If I remember correctly the pipes become very brittle and break if the engine cover's removed.
    Causing air leaks/poor idle, hence the ECU can't control the idle, and that's why it's bringing up P0505?

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