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Thread: Revs Fluctuating

  1. #1
    Regular Member Wolfie01's Avatar
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    Default Revs Fluctuating

    Hi All

    The revs on my Vectra 1.8ls (2003) seem to be fluctuating quite a lot recently. In particular when coming to a standstill at a junction, its even cut out once or twice.

    This has only just begun to happen, I changed the plugs, air filter etc over a month ago. Also noticed if I keep my foot flat on the clutch it doesn't seem to fluctuate as much, sign of the clutch going?

  2. #2
    Full Member chrisvectra's Avatar
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    Vehicle : VXR8 6.0 muscle SRI ESTATE XP1

    Trim : VXR/ SRI ESTATE CDTI XP1

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    clean out the throttle body and idle control valve with some carb spray fella that uselly helps also when was the last time it was serviced
    VXR IS FOR LIFE NOT JUST FOR THRILLS !



  3. #3
    Regular Member Wolfie01's Avatar
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    I've cleaned the throttle body out a few weeks ago, oil change was done around 5 months ago.

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    Regular Member Caveman_nige's Avatar
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    Vehicle : Vectra and a Signum

    Trim : top of the line in both

    Engine : Z18XE,Z19DTH,Z20NET

    Year : 2006

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    don't these 1.8 engines suffer coil pack issues like some of the others...

  5. #5
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    Vehicle : vectra c

    Trim : ls

    Engine : 1800 non vvt

    Year : 2004

    Mileage : 136000

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    Quote Originally Posted by Wolfie01 View Post
    Hi All

    The revs on my Vectra 1.8ls (2003) seem to be fluctuating quite a lot recently. In particular when coming to a standstill at a junction, its even cut out once or twice.

    This has only just begun to happen, I changed the plugs, air filter etc over a month ago. Also noticed if I keep my foot flat on the clutch it doesn't seem to fluctuate as much, sign of the clutch going?
    what mileage have you done?
    did you say you have had a look at the coilpack?

  6. #6
    North West Regional Organiser paulvectrac's Avatar
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    Vehicle : vectra

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    Year : 2007

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    maf sensor possibley
    Vectra vxr custome remaps egr deletes dpf and diagnostic work all remaps are custome bench tuning avalible all genuine equipment PM for info

  7. #7
    Regular Member ChrisBilly's Avatar
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    I had the same problem on my 1.8, it turned out to be the egr. It was leaking/sucking air. To check if its sucking spray some carb cleaner on and around it while the engine is running, if it is sucking the idle will fall and almost cut out.
    Could also be an air leak else where.

  8. #8
    Regular Member Wolfie01's Avatar
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    MAF was replaced when I bought it last year in October. I will look into the coil pack, thanks for the replies.

  9. #9
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    Vehicle : vectra c

    Trim : ls

    Engine : 1800 non vvt

    Year : 2004

    Mileage : 136000

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