bank 1

  1. SEFLTJ Troy and Robyn

    2018 Code P0171 and P2096

    2018 Jeep Wrangler Unlimited Sport 4dr with 3.6l engine running rough and showing Error Codes P0171 and P2096 (showed P0300 for a bit, but has not returned since clearing). System Too Lean Bank 1 and Post Catalyst Fuel Trim System Too Lean Bank 1. Where should I start? Put some Seafoam in and...
  2. V

    2000 jeep Wrangler sport help asap

    Replace bank 1 and 2 up stream O2 sensor managed to locate an plug in the bank 2 plug to the engine. However for the life of me can't seem to locate bay ones plug in on the engine. Had two others try to find it lol would hate to bring it to bring your own parts shop just to find where the to...
  3. Chris

    The Official Jeep Wrangler TJ Oxygen (O2) Sensor Thread

    What are Bank 1, Bank 2, etc.? Since this question pops up from time-to-time, here's an easy to follow diagram that illustrates what they mean when your OBDII code scanner (or manual) tells you something like "O2 sensor, Bank 1, Sensor 2": What does upstream and downstream mean? Simple...