I have had the dreaded P2096 Lean Bank 1 After Cat code for about 4 months now. I can't find any obvious exhaust leaks in either the exhaust of intake side of the engine yet. I will be smoking both sides this weekend to check for leaks. I originally replaced the Bank 1 post cat O2 sensor with...

Looking for some friendly advice regarding my 2006 RRS HSE non-supercharged... My CEL came up and using my scanner I pulled code P2096 - in looking on the forums it appears this is typically an O2 sensor issue. I went ahead and cleared the code to see if the CEL would reappear and sure enough...

Hello, I have the infamous P2096 ( post cat convertor bank 1 trim lean ) and searched through the forum to see what solved most owners problems. Unfortunately it appears that once someone gets the problem fixed they simply drop off the face of the planet with no update. I am curious as to...

Anybody here with a aftermarket catback exhaust ever= get p2096 code> post cat convertor bank 1 trim lean. ive replaced the o2 sensors and checked exhaust leaks but no luck. Only solution I can think of is going back to original exhaust. It's borlas catback 06-09 version.

My 06 RR Sport showed me the check engine lite the other day with only 50 k miles. " Post catalyst fuel trim bank 1 system too lean ", is what the code means. Does this mean there is a oxygen sensor bad on bank one ? And which one is bank one. Any help would be appreciated.