It is the inside of the tailpipe I was interested in. Even though you replaced the O2 sensor recently, it is the go to sensor for fuel efficiency. Has anyone sniffed the tail pipe recently to check for hydrocarbons?
A forum community dedicated to Jeep Cherokee owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more for the SJ, XJ, KJ, KK, KL series and Grand Cherokee!