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Thread: Signum 2.0 DTi knocking at 2000rpm

  1. #1
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    Default Signum 2.0 DTi knocking at 2000rpm

    Hi, just been out in my car and have noticed that when I accelerate between 1800-2000 rpm the engine sound changes and a knock can be heard, when in neutral at the same rpm (1800-2000) the knock is still there, no sound on idle, and no sound on lower revs, haven't dared rev past 2000. engine oil level is fine and is checked regularly, any ideas,....

  2. #2
    Full Member bobssignum's Avatar
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    Vehicle : Signum 2.0 DTi

    Trim : Elegance/Elite

    Engine : 2.0DTi

    Year : 2003

    Mileage : 73350

    Default

    Possible your crank shaft sensor has gone fairly common fault on the DTi,s .
    When they go they make the engine sound rough or as some else has said sounds like the engine has swallowed a bag of spanners
    Probably best to have the engine fault codes read your looking for fault codes p0335 or p0340
    Driving vauxhall,s for 30 + years
    and still loving it

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    Bobssignum, many thanks for your reply, I shall get a sensor and see how it goes, I am hoping this is not the end of my signum ownership, .

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