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Thread: EGR problem

  1. #1
    Regular Member
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    Vehicle InfoStats

    Vehicle : Vectra

    Trim : SXI

    Engine : 2.2 DTI

    Year : 2003

    Mileage : 105k

    Default EGR problem

    started pulling off today and the car started hesitating through the rev range but no spanner light. After a few minutes the spanner light flicked on and off a few times then went on permanent. Plugged it in to the computer and pulled up p0400 egr valve low voltage.
    Hoping it just needs a good clean but what else should i be looking at if it stays on after cleaning it out?

  2. #2
    Full Member bobssignum's Avatar
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    Dec 2007
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    polishing something or other somewhere
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    Vehicle : Signum 2.0 DTi

    Trim : Elegance/Elite

    Engine : 2.0DTi

    Year : 2003

    Mileage : 73350

    Default

    p0400 is egr malfunction , which would make me think that it was clogged up, for it to come up with egr valve low voltage i would suspect the electrical connector on the egr .
    Check that the electrical connection on the egr is secure and that the cable has not been twisted , as often if this cable is stretched it will generate this fault
    Which may be what your code reader is detecting
    Driving vauxhall,s for 30 + years
    and still loving it

  3. #3
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    Vehicle : Vectra

    Trim : SXI

    Engine : 2.2 DTI

    Year : 2003

    Mileage : 105k

    Default

    Thanks for your help I just went out to have a look took the connector off and pushed it back on tight light is now off cleared codes and took it for a run. checked it on computer again and the fault hasn't come back on only thing is the connector didn't click on when i put it back on so i guess the clip is broke and working loose when i go over bumps. Would i be able to get another plug from a breaker and block connect or crimp it on to my wiring or would i need to get a complete wire and connector from vauxhall

  4. #4
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    Perkinsville, County Durham
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    Trim : Sri nav

    Engine : Z19dth

    Year : 2006

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    Mine did this after the first time I cleaned the egr valve. I use a zip tie to keep the plug on now.

  5. #5
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    Vehicle : Vectra

    Trim : SXI

    Engine : 2.2 DTI

    Year : 2003

    Mileage : 105k

    Default

    That's a good idea i'll try it. Thank you

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