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Beeping noise at 4500rpm

Posted: Sat Feb 05, 2022 2:57 pm
by Shemus31770
Hi,
I’ve got a beeping noise that happens at 4500rpm and I can’t figure out what it is. I have a 2016 manual polo gti. If I have my foot to the floor it’s quite sudden and short and then if I slowly rev to 4500rpm the beep lasts slightly longer. I thought it was a vacuum leak but I have changed the whole intake an it still does the same, also not sure if it’s the turbo wastegate solenoid?

Any help would be appreciated,
Thanks