2008 wrangler po153 code . already tried changing o2 sensor on driver side before cat one time with bosch one time ngk . cats where new a year ago from rock auto dayco i think was the brand . what else can I try ? I found a video online saying maybe a bad ground but haven't checked that out yet .
P0153 O2 sensor code
- Thread starter robbiea1979
- Start date
I'd also heavily suspect a bad ground or a break in the wiring somewhere. This is something that is often times overlooked.