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Thread: No power & very lumpy running 1.9 cdti

  1. #1
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    Default No power & very lumpy running 1.9 cdti

    Hello to All

    I wonder if any one can help me

    My vectra 1.9 150 cdti has just tonight developed a concerning issue.
    symptoms are
    Hardly any power.
    Runs very lumpy as if it is on 3 cylinders.also at idle
    seems to run smooth on trailing throttle but as soon as you put your foot down the problem starts again.
    3rd injector wiring is brown with a white strip! i don't know if that good or bad.
    Spanner light is on all the time.
    No smoke....

    I hope that this is the 3rd injector wiring issue as atleast it will be cheap to repair...

    If not does anyone have any suggestions as to what it could be.

    Thanks & regards.

    Phil.
    Last edited by phil147; 9th June 2011 at 23:51.

  2. #2
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    had a similar issue and after the booster valve clean it was better.
    Then I had the EGR changed and it was back to normal ...

    Booster valve is easy to do, so maybe start with that and see

  3. #3
    Full Member merikiito's Avatar
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    Vehicle : Insignia CDTi SRi NAV 160

    Trim : SRi

    Engine : A20DTH

    Year : 2009

    Mileage : 88000

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    Yes its the 3rd injector issue, get the new wiring/plug from Vauxhall.

    I would not bother checking anything else until you sort the wiring/plug.
    If your 3rd injector plug is yellow then they need it done regardless if it fixes your current fault or not
    Lois Griffin: Peter! You're bribing your daughter with a car?
    Peter Griffin: Ah, c'mon, Lois, isn't 'bribe' just another word for 'love'?

  4. #4
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    mine was exactly the same and was the third injector wiring, think the part was only just over a tenner, but I got charged a fortune in labour

  5. #5
    Regular Member sscully's Avatar
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    Vehicle : Vectra C Facelift

    Trim : SRI

    Engine : 1.9 Diesel

    Year : 2005

    Mileage : 89000

    Default

    I have same issue what was the fix in the end.

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