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...
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 …
Running rich? Codes P0132, P0135, P0138 - Jeep Enthusiast Forums
Apr 10, 2010 · Running rich? Codes P0132, P0135, P0138 Jump to Latest 40K 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 …
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, …
P0138 code, engine light keeps going off and on / help!
Jul 30, 2008 · Or will the P0138 code still show up even though the light went off? Should I just reset the computer and see if the light comes back on or stays off for good? I am going on a …
P0138 p0158 - Jeep Enthusiast Forums
Aug 3, 2015 · Hi all, I got the p0138 and p0158 (high voltage to O2 sensor) codes up.2002 high output, Is this telling me to replace the O2 sensors or is it something completely different? …
¿Código P0138 código de alto voltaje, sensor 2 del banco 1?
May 4, 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 …
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 …
O2 sensor confusion, proper voltage range? - Jeep Enthusiast …
Dec 17, 2013 · Ok so I was driving along and popped a CEL for P0138 "oxygen sensor circuit high bank 1 sensor 2" ok so I flip my Ultragauge over to the O2 sensor page and have a look.