My sister brought her Cadillac over this evening for an oil change. She also stated that when she get into the throttle a bit, it smells rotten. I immediately think Cats. Does this look like normal rear O2 sensor activity? Looks like it would be a little on the rich side to me but I have 0 experience with rear O2's so not sure if the activity is normal or not. Any info you guys could provide would be appreciated. Just changed oil, air filter, Cleaned the MAF and indexed the slot in the rubber connector with the "stud" of the airbox. Someone had rotated it a good bit and the trims were way leaner than what is in the attached log.
Side story*** I spent about an hour trying to figure out why the OBD and HP tuners couldn't communicate. Found a blown fuse and changed it. It worked... for just a little while. Did some research and found out that the fuse for the Cig. lighter is also the OBD fuse. Looked and again it was blown. Checked the cig. lighter and there was a DIME stuck down in there! Fished it out, changed the fuse and communication commenced LOL. I bet you guys who do this on the daily see some crazy stuff!
Stock cal. if needed.
2008 escalade 6.2.hpt
rear o2 idle.hpl