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Showing results for tags 'whistling noise'.
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Hi A few days ago the engine light came on and the engine died momentarily. It runs absolutely fine now and the engine linght no longer shows. In fact I had to do a 350mile journey yesterday and run beautifully... except: the engine now idles between 1,500 & 2,000 There is a whistling noise that increases with revs.Fuel consumption seemed OK but I turned the engine off when sitting in traffic. I looked under the bonnet and could trace the noise (I think) to two small tubes (see picture). They are bare and clean so I am assuming they need something on them / something has fallen off?. If i partially cover the holes the idle speed drops and if I block the engine dies. I assume there should be a valve similar to the one on the left> This might be a red herring so please advise if I should be looking elsewhere. Cheers Philip
