Best Throttle body cleaner https://amzn.to/2Yy2Vac
new IAC valve https://amzn.to/2YXCFkR
Take out the iac valve, clean the nasty gunk off the part that moves in and out, dry, make a new gasket, reinstall. It idles alot better and adjusts faster than its ever has but it still has issues. I think tink th torque converter is LOCKING UP stalling the engine