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Thread: Engine looses pawer at 2000 rpm

  1. #1
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    Default Engine looses pawer at 2000 rpm

    Hi all a mate has a 2l diesel vectra c and when he gets to 2000rpm in all gears the engine stops reving he has cleaned the ERG and replaced the mass air valve twice + the boost valve
    It has cost a fortune at the main dealers and its the same as when it went in
    Can anyone help with what to look at next
    Thankyou for looking
    Graham

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    Full Member bobssignum's Avatar
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    polishing something or other somewhere
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    Firstly check all the large hoses that run from the turbo to the exhaust manifold via the intercooler for splits etc , secondly check the vacuum hoses and the connectors for splits /perishing at the same time test to see if the vacuum actuattors are actually working, should be able to detect a very light suction with a wet finger , its only 0.6 bar when working properly

    hope this helps bob
    Driving vauxhall,s for 30 + years
    and still loving it

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    Bump, more help please
    Thankyou

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