MK5 Golf GTI
		All Things Mk5 => Mk5 General Area => Topic started by: gazza on December 10, 2021, 11:02:57 am
		
			
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				I replaced the diverter valve 2 years ago as the idle and revs had a mind of their own - same thing happening again so i have to assume its the diverter valve again - but goes bad after 2 years ?
			
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				Quite possible if it's a Revision A or G, with it's thin rubber diaphragm.
 
 Have you actually checked it?  Plenty of other things can cause idling and rev issues.
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				oops nae oil.............doh