Vince Mosley
Check the housing of the turbo where the actuator arm connects to the wastegate. The wear the housing and cause an overboost senario, therfoe the valve cannot control the boost due to the wastegate sticking momentarily, flagging the code.
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Vauxhall Vectra 2.0 2004 - MIL on intermittent, lack of boost, code P0033 - Fixed # - Richard Benson February 18, 2010, 4:10 pm
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on February 19, 2010, 8:36 am, in reply to "