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  1. 2.0l AAC Petrol - ISV Question

    Engine & Gearbox
    Hi, Sorry if this has been covered before, but I've not found many references in the archive. Is there a concensus of opinion as to whether or not to remove the Idle Stablisation Valve on the AAC engine? A lot of the Golf GTI boys seem to take it off and say it actually improves things. As an...