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Thread: Another 1.9 cdti 150 with no power, low rpm

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    Angry Another 1.9 cdti 150 with no power, low rpm

    Yep my sri 150 cdti is suffering from low rpm lack of power.No lights come up on dash , car runs fine , just no power below 2k rpm . Was fine till last week.Checked swirl valve operation and that seems fine . Had it in at the dealers today ,wtf , they told my wife there is nowt wrong because no codes come up on the diagnostics . Car has done 14k on a 56 plate. Dealer said that as nothing showing then they cant fix it . aparently they dont get paid to investigate a fault under a warranty , just fix what shows up when on the machine . Will be phoning vx tomorrow , see what they say. Could the egr valve be playing up? Can it be checked ? Can it be cleaned? Am i just imagining the whole thing ? arghhhhhhhh.

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    Regular Member yorkiebar's Avatar
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    Quote Originally Posted by bigboss View Post
    Yep my sri 150 cdti is suffering from low rpm lack of power.No lights come up on dash , car runs fine , just no power below 2k rpm . Was fine till last week.Checked swirl valve operation and that seems fine . Had it in at the dealers today ,wtf , they told my wife there is nowt wrong because no codes come up on the diagnostics . Car has done 14k on a 56 plate. Dealer said that as nothing showing then they cant fix it . aparently they dont get paid to investigate a fault under a warranty , just fix what shows up when on the machine . Will be phoning vx tomorrow , see what they say. Could the egr valve be playing up? Can it be checked ? Can it be cleaned? Am i just imagining the whole thing ? arghhhhhhhh.
    is this not just the way the car is as mine is not that sharp below 1800 rev`s as well but after that goes fine.I think this has been said alot on this forum but am sure someone will let you know mate

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    Regular Member Ian S100's Avatar
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    Mine has very limited acceleration below about 2200 & then takes off like a train, especially with the BSR remap. Had Vx look at it a number of times & been told 'there's nothing wrong with it' & 'they're all like that' - Basically, no warning lights means no fault

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    TBH i think its a trait of Vauxhalls and i blame rotten clutch. I feel if you don't give it juice, the engine hits a 'flat spot' til about 2,000rpom then it goes like stink.

    I think it's the cr4ppy clutch.

    Gazza4

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    mine doesnt have that much power under 2000rpm specialy if in the wrong gear but when it hits 2000 puls like a train must be the norm but then only had my 2006 plate for 2 weeks

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    Point taken guys , but car seems more flat than normal ! had it for nearly a year now

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    Regular Member lofty's Avatar
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    Vehicle : Vectra C Estate

    Trim : Elite

    Engine : 1.9 CDTi


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    try the airbox mod.. I found it made a difference on my previous SRi

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    Regular Member Ian S100's Avatar
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    Try the BSR mod.. I found it made a BIG difference.....

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    is the airbox mod the one where you remove the intake pipe
    and does it make big difference if so will do when my k&n filter comes
    then bsr ppc remap

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    Eh , this seems to be turning into a tuning advice thread ,ha ha . Tbh its quick enough for me as it is . Does the airbox mod make it spin up a bit faster ?

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