Interesting points. Reason I think iac is if it was stuck closed, it wouldn't get the air it needed to idle until I cracked open the throttle.

It does smell rich, perhaps I need to watch the...

Forgot to mention, I checked that too, reads correctly hot and cold. Reads fine in the data logs too.

I've been chasing this issue for a couple of days now and I'm not sure I'm on the right track, maybe I'm over thinking it, but any input you guys have would be much appreciated :happy:

Vehicle:...

Long time lurker, first time poster. Decided to finally dive into the discussion as I've finally ordered my datalogging / tuning hardwares so I'll actually able to play around with this stuff. Very...

I had a 92 Caprice, 305 TBI that even with 190k mi on the clock started faster than any other vehicle I've owned. On a day old 30* outside temp start it wouldn't even crank 1.5 seconds before it...