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Thread: accelerator goes 'flat'

  1. #1
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    Default accelerator goes 'flat'

    Hi everybody........
    My lad has just bought a Vectra 1900cc, Diesel Ls, 2002. When I drove it home after about 5 mins on the road all his dashboard dials returned to zero. When at traffic lights, I turned the engine off and started up again....all was well for a couple of mins and then all went back to zero once more.
    Alongside this I found that I was unable to accelerate past a certain level of revs (while dials were on zero). It would get to about 2700 revs and stay there, whichever gear I was in and how far I pushed down on the pedal.
    When we pulled up again.....turned off the engine and started up again and away we went.....accelerating as fast as we wanted.....until 2 mins later the revs died and so did the dials.
    Anyone come across this before, please?

  2. #2
    Forum Moderator soulman's Avatar
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    Vehicle : Vauxhall

    Trim : Astra Twin Top

    Engine : 1.9cdti

    Year : 07

    Default

    its obvioulsy gone into limp mode..............were there any warning lights on the screen ,I would take it back to the garage where you bought it from and get them to ck for fault codes

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    Default

    thank you, but no warning lights, well I didnt notice any. Would putting the engine on a diagnosis machine DEFINATELY identify the problem??
    Ta

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    Forum Moderator soulman's Avatar
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    Vehicle : Vauxhall

    Trim : Astra Twin Top

    Engine : 1.9cdti

    Year : 07

    Default

    yep thats what they are made for ...it should bring up fault codes,then hopefully lead to a fix ...good luck

  5. #5
    Forum Moderator soulman's Avatar
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    Vehicle : Vauxhall

    Trim : Astra Twin Top

    Engine : 1.9cdti

    Year : 07

    Default

    just had a quick search ...........have you cked your boost hoses ,appeares this is one problem that they split

  6. #6
    Ex Vec-C Admin Deztroyer's Avatar
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    Default

    not sure if the abs/ speed senor having a poor contact would put this into lhm as the vehicle would be unsure as to wether the brakes were working correctly.... this would also cover all the dials dropping as well...
    might be worth checking the connection on the abs unit in the engine bay and spraying some contact cleaner /wd40 in there for good measure

    linky to similar thread
    http://www.vectra-c.com/forum/showth...ighlight=dials

    0-Large smile ......every time it's driven

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    Default

    I will take all these ideas to my mate at the servicing garage who is having a go at fixing this failure. Thanks for your suggestions and ideas.
    Fortunately, he is doing it free gratis, I hope!!

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

    Default

    Is it a 1900? As they started replacing the 2.0DTI and 2.2DTI in 2004??

    I say this as the 1900 diesels are not without their faults to say the least.

    Hope it gets sorted.

    Gazza4

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