hi all just been out in my fabia drove from work to home less than a mile away all was fine ..

went back out half an hour later now when i drive it around 2500revs to 3500 revs there is a high pitched squeel anyone know what it could be its a 2006 blt engine seems to be boosting fine nothing out the ordinary there cheers

I had the same mate it turn out to be leak from the exhaust manifold

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thought it may be that did you just replace the gasket?

Found the problem my intercooler has a leak