Over the last couple of days my 1.8T has started to idle strangely! After going up in the rev range and then taking my foot of the throttle (clutch down or out off gear) the revs drop to 1400 for about 5-10 seconds. They then bounce down to 850 and then fluctuate between 750 and 1000. Not sure if this is connected but I had a quick look under the bonnet yesterday morning (from cold) and noticed both the fans were running? Checked the thermoswich (in pipework just behind rad) and it was closed circuit, I would have thought this would be open circuit when cold. I have ordered a new one to see if it cures the problem. I also cleaned the MAF sensor just in case but it was spotless!
Any ideas people? [img]/ubbthreads/images/graemlins/confused.gif[/img]