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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...

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...

P0037 Powertraine H028 Heater control circuit Low (bank 1 sensor 2) and: P0138 Powertrain O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) The rig runs fine. I replaced the O2 sensor down on the exhaust pipe. Is there another hidden? I do not have a catalytic converter and as it is a...

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...