Quote Originally Posted by mmigacz View Post
sounds like you need to get that vacuum leak found. Somebody suggested getting a heated o2 sensor, did you try that too? Post the data log, I'm curious if the O2 swings are still on the lean side. Is egr connected?
We are currently having an ice storm here so working on it is scarce, I have not tried a heater o2 as i just bought this single wire, egr is still disconnected. I have to get a new tv cable before I can drive it so logs would only be at idle.