o2 sensor

I have a 2003 Jeep Liberty 3.8 Automatic and am not able to pass my state inspection as the computer shows that both O2 and catalytic converter "readings" are not clearing. They DO NOT show any error or code, they show nothing. The recommendation from the shop was to drive some more, with...

Please anyone help,... just purchased my first jeep liberty 2005 v6 3.7 with 181000 miles yesterday. Check engine light on with p0430 code( no performance issues no power loss no symptoms at all) took to exhaust repair shop ran diagnostic computer scan and test, checked for exhaust leaks and...

Ran across a post that showed a fuse in the O2 heater circuit. Wanted to pull that fuse on my jeep to check my idle without the electrically heated elements on, running in open loop. Went to pull that fuse and found that my jeep is not like the one that shows that fuse. Anyone know where...