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boost pressure control circuit negative deviation

  1. [Astra Mk5/H] [04-09] Replaced turbo P0234 - Boost Pressure Control Circuit Negative Deviation

    Astra, Corsa, Zafira, Meriva, Adam, Agila, Combo
    I have an Astra 1.7CDTI which recently had a turbo fail making a loud and unpleasant noise. On removal there was no debris and no visible damage. I have fitted a replacement turbo, this is a re-manufactured unit which has been fitted following supplier's instructions. On the first test drive...
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