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possitive deviation

  1. Overboost issue

    VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum
    Hi all... hope everyone is doing well :) I was just wondering if someone could point me in the right direction. Lately I have been getting limp mode due to over boost. Charge pressure control: Positive deviation. Intermittent. This seems to have only started happening after downpipe...
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