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whistleing

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    220Cdi whistleing noise as revs die when cold

    Hi I have a strange whistling noise coming from around the turbo/ air box area on my 220cdi (611 engine). It sounds like a police car siren in the distance. The noise is usually only noticeable when the car is cold and at lower revs. When at constant revs it cannot be heard but comes in...
    • egrid1
    • Thread
    • 220cdi cold die noise revs whistleing
    • Replies: 5
    • Forum: Engine
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