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Thread: vectra start up/turbo problem

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    Default vectra start up/turbo problem

    since bout 3 days ago when i start my car (vetra 1.9cdti 150 bhp)at times it strugles to move off, i have to keep the clutch really low so it doesnt stall, then eventually turbo kicks in and it moves, then sometimes mid journey when i put my foot down it takes time for turbo to kick in, a friend told me it may be a air flow sensor, what do you guys think?
    also for about 6 months whenever i start the engine it makes a little screeching noise but that has not affected the driving

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    Default

    The screeching is most likely to be the alternator belt.

    As for lack of power when cold, air mass meter could be at fault. Also chean the EGR valve and boost valve. There's How2's on here for that. Also check all the vacuum pipes for splits / perishing.

    Third injector wiring also comes to mind??

    Could try disconnecting the air mass meter before your next cold start, and see how it starts and moves off with it disconnected (this will throw the spanner light on).

    Has the spanner light ever been on? Has it been connected to a code reader to have any stored codes read?


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    the alternator was changed about 3 weeks ago,
    the spanner light has not come on and i had it connected to a computer and it came up with 1 fault but garage guy said this fault is nothing it just comes on sometimes when you change alternator

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