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HDi 120BHP engine revving up and down

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  • HDi 120BHP engine revving up and down

    My car seems to have developed a weird "fault" in which sometimes you first start it, the revs keep going up and down as if it's struggling to get fuel. It starts off idling at about 900 at a guess. Then the revs drop down to about 700 and then it sort of catches itself and revs it back up to 900. It'll rev at 900 for about a second before repeating itself over and over.

    However, this only seems to happen when the clutch is depressed. If I take my foot off the clutch it idles normally. It then doesn't do it again until maybe a few days later.

    It's pretty much the same as what's happening here (https://youtu.be/T-dENFpPl5Q) but I don't believe it's a MAF issue as in the uploaders case as that's already been changed by Citroen.

    Anyone have any ideas what it could be?

  • #2
    Have you checked for fault codes in ECU
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    Jog on Noddy

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