Originally Posted by
The_War_Wagon
I've thought my idle tended to 'wander' a bit myself! I was actually turning a sharp corner today in a heavy rain, and it just about died on me - first time THAT'S ever happened (I mention the sharp turn, because it's a foot off the pedal manuever, and the rainfall, just in case something is getting "moist," that SHOULDN'T)!
I believe the cold idle is set at 800 rpm on the 285; because this is Pittsburgh, and because of my previous experience with other V-8 engines in cold climates, I bumped the cold idle to 950 rpm, which doesn't really do ANYTHING when you're in gear, but it does warm the truck a little faster when you idle it on cold days! ;)
I WILL try cleaning the IAC with a little Sea Foam tomorrow though - before the cold weather settles in again!