HI all!
Amber excess pollution light was still on today so i decided to lift the bonnet to have a look for any loose pipes. Everything looked fine apart from when removing the cover from the engine the some pipes were crushed. I straighten these out got the cover back on carefully checked the MAF was clipped in okay then disconnected the battery for 10 mins or so.
After reconnecting the battery i left driver door open and the bonnet turned ignition(engine off) and waited a few minutes. After buzzin noise had gone i started the car and it was still present!!
i pressed on the gas pedal very lighty and vanish! it had disapeared and has not returned all day today. Fingers crossed for the next couple of days.
I Still will get it on Vag com tomorrow to make sure no error codes.