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Thread: Judder at 2000rpm?

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    Regular Member jamesr's Avatar
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    Default Judder at 2000rpm?

    My car has started to judder slightly when under load.
    At approx 2000rpm to 2500rpm then dissapears


    Any ideas?

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    my 1.9 cdti 150 diesel does this

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    Regular Member mace's Avatar
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    I'm very far from an expert but try searching for threads on "DMF" and see if you recognise any other symptoms

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    Regular Member WeDesign's Avatar
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    Quote Originally Posted by phildjohnson View Post
    my 1.9 cdti 150 diesel does this
    My CDTi had this problem several months ago, it was recognised as the injector loom on cylinder 3 which was replaced with no further problem HTH

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    Thumbs down

    Mines started doing this as well for about a week now, always just slighty over the 2000RPM. It looks like my third injector has had some work done already, there is a thicker wire going to it, although it doesnt look very
    professional done.

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    Default

    Mines still juddering although a little more so over the weekend. This morning while I was bombing down the dual-carriageway I got the spanner come up, bit of a shock as i lost loads of power. I quick pull over and restart of the engine cleared it but not sure if its the injector or not.

    I had a look at the 3rd injector over the weekend and it looks like someone has got another injector plug (doesnt look like any of the other 3) with slighty thicker wires and shrunk wrapped it to the existing wires, the wires from the injector is only about 1.5 inches before it merges to the existing wires. Im not sure if this is an offical fix. Should the thicker wiring go further into the loom?

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    Default 3.0 cdti

    My 3.0 CDTI vectra has the same problem between 1500 and 2000 rpm.

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    Quote Originally Posted by sb1uk View Post
    My 3.0 CDTI vectra has the same problem between 1500 and 2000 rpm.
    My V6 judders under full throttle from 2500 to 3500 rpm...

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    Oh, and I always get the spanner when i hit 4000RPM. I'll get the code out to see what it is.

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    Regular Member Celes's Avatar
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    Quote Originally Posted by cookie View Post
    Oh, and I always get the spanner when i hit 4000RPM. I'll get the code out to see what it is.
    Press the brake pedal and hold it and then press the throttle and hold it too. Put the ignition on and the emision light should show you a code by flashing.

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