p0051

  1. R

    O2 sensor codes

    I THINK THIS IS MY SECOND POST AND I HAVE BEEN LOOKING AROUND QUITE ABIT ABOUT THIS ON THIS FORUM AND OTHERS. I have 2005 Rubicon 2 door inline 6 100k miles had her since 2018 automatic 42rle been getting CA emissions 4 o2 sensors : Current Issue p0031 p0037 p0051 and p0057 . I had these...
  2. S

    Chasing Codes & Blowing Cash

    1st Time Post-er, Having some trouble with my 2005 TJ, Automatic 4.0L. 66k miles on her, and has been running great until recently... Driving home one afternoon, cruising at 45 mph (2200RPM), all of sudden RPMs jump to 3000 and the ol' money indicator lamp turns on. She limps home, and that's...
  3. Colben_22

    Check Engine Codes P0031, P0051, P0138, P1494, & P0136

    I bought my Jeep a few months ago and shortly after I got home with it some check engine lights came on. I haven't had much time to work on it yet, but I am trying to diagnose the main problem first. The codes it is throwing are P0031 (Oxygen (A/F) Sensor Heater Control Circuit Low Bank 1...
  4. KCsTJ

    Diagnostic Code 51

    I randomly check for engine codes and last week a DTC 51 pops up on my 97 SE. 51- Oxygen sensor - lean condition indicated I just love these vague codes...aarg Anyone have ideas, please post, headed to the tj right now to check 02 connections, and look for vacuum leaks It seems to run fine...
  5. R

    Check engine light and O2 sensors

    I own a 2005 Jeep Wrangler Unlimited LJ with 100k miles. The jeep runs great, but the check engine light has been on for several years now. The mechanic says that his computer codes are showing that all the o2 sensors are bad. However, he doesn't think that is the case. He thinks it's probably...