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I removed my IAC when I cleaned mine and soaked the pintle in some cleaner. The problem is that darn stuff evaporates so fast that you have to really keep and eye on it. The other area that is hard to clean is the seat of the IAC passage. Tough getting anything in there to scrub the carbon off.
I didnt remove my TPS though. Didnt feel like havin to readjust it.
Good luck. I noticed a huge improvement in my cold and warm idle after cleaning the TB. PS.. oh yeah remember to be in a ventilated area beer and TB cleaner fumes really give you a nasty headache.
Yup. Had to get your hands dirty too, just like me. I didn't think anything out there was strong enough to remove the carbon deposits from the IAC pintle spring solo.
I may not be a master tech wrench like some of you guys, but I'm not the dullest knife in the drawer, either. Still, I'll look for PowerFoam next time I'm in NAPA. I get 10% of puchases there with my AAA membership card, too.