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Thread: Lack of Power Below 2k Vectra C CDTI

  1. #1
    New Member alan p's Avatar
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    Vehicle : Vectra C

    Trim : SRI

    Engine : 1.9 CDTI

    Year : 2006

    Mileage : 138247

    Question Lack of Power Below 2k Vectra C CDTI

    I have an problem with my Vectra, when i first start i get the spanner light which goes out after a few minutes but i have very little power untill the revs get up to around 3,000 then it takes off like a train, when the car gets hot which can take awhile the spanner light comes on and i have no power above 3,000 but the bottom end response is better, if i turn the car off and on again the spanner light goes out but the check engine light comes on and the car runs better ie better bottom end with power above 3,000. I have cleaned the EGR added the Fiat gasket, changed the boost sensor put a fuel cleaner through the tank and checked the vac pipes the manifold flaps seam to be working and the rod is in place any ideas as im running out of options

  2. #2
    Regular Member nikroc's Avatar
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    Vehicle : 2t

    Trim : standard

    Engine : z20net

    Year : 08

    Mileage : 32000

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    Have you thought of checking the car for any fault codes?

  3. #3
    New Member alan p's Avatar
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    Vehicle : Vectra C

    Trim : SRI

    Engine : 1.9 CDTI

    Year : 2006

    Mileage : 138247

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    I have and there is nothing logged !!

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    Vehicle : Saab 9-3 (Vectra C in disguise)

    Trim : Linear Sport

    Engine : 1.9 TiD 150

    Year : 2005

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    boost sensor aka MAP or boost solenoid?

    Spray some soapy water on the flaps, see if you get any bubbles

    Do you get any screeching / squealing noises?

  5. #5
    New Member alan p's Avatar
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    Vehicle : Vectra C

    Trim : SRI

    Engine : 1.9 CDTI

    Year : 2006

    Mileage : 138247

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    changed the boost sensor in the manifold not the solenoid which is on the front panel I belive, flaps seem to be moving and the problem has come on suddenly not a gradual change, not heard any squealing or screeching.

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    Regular Member llamallama's Avatar
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    Vehicle : Vectra ZC

    Trim : CDXi

    Engine : 3.2L V6 Z32SE

    Year : 2003

    Mileage : 236754

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    Suddenly,

    Maybe check the intercooler hoses and vac lines

  8. #7
    Regular Member llamallama's Avatar
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    Vehicle : Vectra ZC

    Trim : CDXi

    Engine : 3.2L V6 Z32SE

    Year : 2003

    Mileage : 236754

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    This video might shed some insight,

    https://www.youtube.com/watch?v=o1Hvt2b7PL0

  9. #8
    Regular Member llamallama's Avatar
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    Vehicle : Vectra ZC

    Trim : CDXi

    Engine : 3.2L V6 Z32SE

    Year : 2003

    Mileage : 236754

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    Yep just read, you checked the pipes
    My bad

  10. #9
    New Member alan p's Avatar
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    Vehicle : Vectra C

    Trim : SRI

    Engine : 1.9 CDTI

    Year : 2006

    Mileage : 138247

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    Im thinking Maf or replace the egr although i cleaned it out it might not be sealing correctly

  11. #10
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    check the throttle body?

    had very similar symptoms, took throttle body off inet manifold almost completely blocked!!

    run fine again now

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