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Thread: Cdti Hesitation At 2000 Rpm

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    Default Cdti Hesitation At 2000 Rpm

    I Have Astra 150cdti Sri Running On A Regal Map.been On Astra Sites
    No Help.when Running At Constant Throttle Between 1800 To 2500
    Rpm In Any Gear The Engine Has A Very Slight Misfire Even Changing
    Over To Other Map On Sport Button Makes No Difference.the Engine
    Is Ok At Higher Rpm And Pulls Thru Gears Well With Very Little Smoke.engine Has Done 21000 Miles 10000 On Remap Only Been Playing
    Up For Last 1000 Miles Since Left For 2 Week Holiday. New Filters Oil,fuel.air Filter Kn Cleaned.tried Different Disiel From Bp And Esso. Any Ideas

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    Regular Member Spikey©'s Avatar
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    Have you spoken to Regal about it?

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    Regular Member Gsi3.2's Avatar
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    Not being a diesel expert, but remebering what others have said before. It may be the injectors, or one of the injectors, failing in the open position?? i.e. allowing too much diesel in at lower RPM so it runs rough, but at the higher RPM's it is running fast enough to burn off the excess fuel.

    Has the car gone back to REGAL??, Whats their take on it?

    Also, have you had the Turbo checked to see if it's boosting correctly??

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    Going To Ring Thorney Motorsport Next Week As He Has Done The Service And Does Warranty Repairs On Vauxhalls.

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    I have this problem 1.9 cdtI (150) - (don`t have a map though or box)
    Goes in tomorrow to try and fix at dealers.Always on light/constant throttle between 1600 - 2000 rpm for me.
    Does it most of time.
    Been in before and wouldn`t do it so they re-generated my DPF.
    But getting worse.

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    Seriosuly, there are many things that can cause issues, ive had a litle agro with 3 people who think that no matter what they do to a car the remap is the cause of any issue.

    In reality, a remap will show any faults allready in the car in a more prominent mannor yet it is unlikely any decent remap will actually casue an issue with your car.
    Regal know what there doing so i wouldnt say there mapping is directly the problem.

    Has it been on a diagnostics?

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    I had exactly the same problem about a month back on my Vectra 1.9CDti (150), took it to my local Vauxhall who said it was a common problem and Vauxhall have issued a Field Remedy which consists of a software upgrade.

    Solved the problem, been perfect since.

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    Thanks For That Hope Its A Patch And Not A As I Will Reboot Loose The Remap Will Speak To Thorneys Today

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    Regular Member Caterman's Avatar
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    Vehicle : Signum

    Trim : Elite

    Engine : 3.2 V6

    Year : 05

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    Had this problem for the first time today. Went to Birmingham this morning and it started a slight misfire at around 2500 rpm. Pulled ok, ticked over ok but had this slight judder whilst under very gentle acceleration or on CC at a constant speed
    Trip to the dealers methinks.

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    Regular Member Steven's Avatar
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    i have this on mine

    The dealership took it back in to look at it and upgrade the software but it made no differnce hence 6 months on its still here!!

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