Phil99vette

iTrader: (11)

If your idle stubles or hangs, what should you do to the RAF table at the corresponding ECT?
Stubles => Raise RAF @ ECT

Hangs @ ~1500 than settles => Lower RAF @ ECT

or vice versa

GrannySShifting

iTrader: (10)

Shoudl be right on the hangs, but the stumble may not be just the IAC motor. Vettes seem to want to idle for a while in different idle tables (ac on and off) before they chill out and steady IAC motor operation sometimes seems like