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Thread: turbo lag with my 3.0 sri cdti

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    Default turbo lag with my 3.0 sri cdti

    Hi im new to this forum and when i first got my vectra about 6 months ago it was fine when i changed gears from 1 to 2 and then 2 to 3 in which the turbo kicked in and my car surged forward but not that surge seems to of gone and when i change from 2 to 3 it takes about 5 seconds for the kick to set in. Help................

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    Full Member Big Sig's Avatar
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    What rev's is the turbo comming in? Mine starts to spool up at about 1200 rpm and is on full boost by about 1800 rpm. You can listen out for the whistle it makes to tell. Although if the engine is cold I have on the odd occasion noticed it has been at 2500 rpm and much more like a petrol engine in its delivery. Thats has only happened a few times so I haven't thought much more about it.
    Now I need a turbo to keep up!

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    Regular Member m8internet's Avatar
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    Keep the revs above 1500rpm and the turbo should be operating all the time
    I tend to drive at low revs, so it is very clear when the turbo is kicking in
    For overtaking I tend to down change one or two gears, allowing some extra time for the turbo, but it's not that long perhaps between 1 and 2 seconds
    However, my car seems to have an unusual problem where the down change in gear is sending the revs in the opposite direction, and that's another issue!

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    ill check today to see what revs it the turbo's kickin in at.

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    Regular Member wardy's Avatar
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    don't notice much of a delay. as others have said mine kicks in at about 1800rpm

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    ok just been out in it then and when i change from 2 to 3 the turbo kicks in at about 2200 revs but takes a few seconds before it surges forward. does this sound like a turbo lag? and what cat can i do to correct it. thanks

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