P0138 After Replacing O2 Sensor - Jeep Enthusiast Forums
May 30, 2025 · The P0138 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor signal voltage remains excessively high for an extended period of time. Inspect the O2 sensor …
P0138, P0141, Is my converter done? - Jeep Enthusiast Forums
Apr 20, 2009 · 99 XJ Sport. Replaced both O2 sensors over last year, am getting p0138 bank 1 sensor 2 code and p0141.e Just changed aft sensor and it came back. Checked harness, looks good, …
Code P0138 high voltage code, Bank 1 sensor 2? - Jeep Enthusiast …
May 3, 2009 · My check engine light has been on with a P0138 High voltage code, bank 1 sensor 2. I replace the 02 sensor near the manifold (before the cat) as told to...
Running rich? Codes P0132, P0135, P0138 - Jeep Enthusiast Forums
Apr 10, 2010 · Running rich? Codes P0132, P0135, P0138 Jump to Latest 41K views 21 replies 12 participants last post by scott.sheckles713 Jun 1, 2023 Z
4.0 cherokee, code P0138, remedies tried and problem...
Jan 22, 2009 · P0138 is the high-voltage code for the downstream O2 sensor. If the sensor does not generate a variable voltage output after a fixed amount of time, the PCM substitutes a fixed value of …
P0138 and P0141 - Jeep Enthusiast Forums
Jul 2, 2020 · P0138 and P0141 Jump to Latest 3.7K views 21 replies 4 participants last post by Z_MAN Jul 10, 2020 Z
eep Liberty P0138 Error and other issues - Jeep Enthusiast Forums
May 3, 2013 · P0138-1/2 O2 SENSOR SHORTED TO VOLTAGE When Monitored: With battery voltage greater than 10.4 volts, engine running for more than 4 minutes and coolant temperature above 180°F.
P0138 and P0420 codes. Anybody help? - Jeep Enthusiast Forums
Feb 10, 2009 · Newby to forum. I have a 96 jeep cherokee with a couple of codes P0138 and P0420. The first code according to my book is 02 sensor circuit high voltage (bank...
¿Código P0138 código de alto voltaje, sensor 2 del banco 1?
May 3, 2009 · La luz de verificación del motor se ha encendido con un código P0138 de alto voltaje, sensor 1 del banco 2. Reemplacé el sensor 02 cerca del colector (antes del catalizador) como me …
WJ Codes - P0138, P0700, P1494 | Jeep Enthusiast Forums
Apr 25, 2010 · WJ Codes - P0138, P0700, P1494 exhaust p0138 p0700 p1494 transmission Jump to Latest 10K views 13 replies 5 participants last post by SplitNail Feb 15, 2011