I must have lost my post? I was going to check this when the kids IH TBI 16197427 Conversion is done.

When doing it this way you may have to turn engine off, wait a minute and restart to see actual results as it resets during start. If you make changes while running and IAC hooked up. Bigger throttle opening = less IAC counts.

Then have to check TPS voltage. Although some say it's OK under 1 volt, I like factory spec per ECM/PCM.