My wife has been complaining about the idle being a tad rough ever since the head gasket was replaced. Yes, it's not smooth as glass the way it used to run, but I've never felt as if there was any problem with it stalling or conking out.
So I'm installing a new set of wires on it yesterday, and decided to pull the IAC to take a gander. I found that the plunger end was pretty well encrusted with carbon deposits that made it look as if it couldn't possibly seal well against the mating surface. No mention in the BGB of any maintenance on this other than checking it's function. Some soft cloth and carb cleaner made it look as good as new. Wife says it's running better now, but I don't know if it was the wires or the IAC, or both.
Question: would a dirty IAC have caused the rough idle? Seems like a silly question for a part called an IAC valve, but thought I'd ask.
Tom
So I'm installing a new set of wires on it yesterday, and decided to pull the IAC to take a gander. I found that the plunger end was pretty well encrusted with carbon deposits that made it look as if it couldn't possibly seal well against the mating surface. No mention in the BGB of any maintenance on this other than checking it's function. Some soft cloth and carb cleaner made it look as good as new. Wife says it's running better now, but I don't know if it was the wires or the IAC, or both.
Question: would a dirty IAC have caused the rough idle? Seems like a silly question for a part called an IAC valve, but thought I'd ask.
Tom