It might just be getting a bit sooted up with not having a decent run. I've been turning my climate control off altogether so my engine temperature gets up a bit more. Admittedly freezing my tits off in the car but the engine does get warmer! 
	
		
			
		
		
	
				
			
Guest, New Stock alert: Premium CUPRA valve caps now available in the store ? Order now from the merchandise store