View Full Version : Flat line O2 sensors at idle ( eye burning rich )

Bow Tie 67
09-10-2007, 06:20 PM
I did some quick searching over at LS1tech. Here is a link to my post on ls1tech.


I figured that over here someone has gone through this issue. I have HP tuners but think I may have to shave the bungs down or weld new one on.

Any thoughts?

Bow Tie 67
09-13-2007, 04:02 AM
Got it! It was only a vacuum leak.