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StevieDB9 · 05-03-2008, 02:54 PM

Ok, so for a while now the polo's been running fine and its long overdue a problem, but the one thats appeared now is a bit more worrying than usual. Sometimes when idling theres a knocking coming from what seems the bottom of the engine bay and when I lift off the throttle theres a strange whining noise. It actually sounds like a supercharger slowing down if that helps you visualise it! It also seems to lose power and momentum when I lift off the throttle quiker than normal. I've checked all the fluid levels and they all seem fine. I'm going to do an oil change but it was done only 6 months ago. Anyone any ideas?

05-03-2008, 02:54 PM	#1 (permalink)
StevieDB9 Loyal Member Power tuner Car: VW Polo 1.4 Join Date: Aug 2006 Location: (was) Allanton, Scotland now Reading Posts: 204	Help!!! Ok, so for a while now the polo's been running fine and its long overdue a problem, but the one thats appeared now is a bit more worrying than usual. Sometimes when idling theres a knocking coming from what seems the bottom of the engine bay and when I lift off the throttle theres a strange whining noise. It actually sounds like a supercharger slowing down if that helps you visualise it! It also seems to lose power and momentum when I lift off the throttle quiker than normal. I've checked all the fluid levels and they all seem fine. I'm going to do an oil change but it was done only 6 months ago. Anyone any ideas?