I know this topic has been covered 100 times but every thread I read seems to bum out and no one actually puts there hands up and says 'yep that worked'. I could really do with an answer as this has been an annoying feature of my starlet since I've had it and im holding back on buying an exhaust as I don't want it stuck gargling at 2000rpm in traffic everyday. so as you've seen already the car idles at upto 2000rpm sometimes over but mainly at 18-1900. I have swapped out the ICV for a 2nd hand id-workz one - still high. I have noticed a constant clicking sound coming from both