How many O2 sensors does a 2014 Jeep Wrangler have?
Locate the two O2 sensors in the exhaust system.
What causes the p0138 code on a Jeep Wrangler?
Here are the most common issues that cause the P0138 code in the Jeep Wrangler. They are presented in order (somewhat) of most to least likely to cause the problem. Bad Oxygen Sensor – The O2 sensor itself is one of the most likely reasons that P0138 is triggering your service engine soon light.
What is the oxygen sensor code on a Jeep Wrangler?
Jeep Wrangler P0138: Oxygen Sensor High Voltage (Bank 1 -Sensor 2) P0138 is a common OBDII code that occurs in many vehicles, including theJeep Wrangler. The code is triggered when: There are also some less likely problems that can cause P0138.
What does the p0138 code on the O2 sensor mean?
In order to check the O2 Oxygen Sensor Circuit High Voltage Bank 1, Sensor 2, the scanner will show the P0138 code, which indicates the error, and the following should complete the checklist: Check connection to O2 sensor for corrosion as well as wire degradation Fouling would indicate a rich fuel mixture of more fuel than oxygen.
What is the error code for O2 oxygen sensor?
Error Code P0138: O2 Oxygen Sensor Circuit High Voltage Bank 1, Sensor 2. Error code P0138 is described as O2 Oxygen Sensor Circuit High Voltage Bank 1, Sensor 2. This indicates there is a failure to have a low voltage output below 1.2 volts or a time period of more than 10 seconds, which signifies no oxygen in the exhaust.
What does p0138 mean on a Jeep Wrangler?
Users have reported P0138 for the following makes: Jeep (especially on a Jeep Wrangler), Dodge, Toyota, Nissan, and Chevrolet. Code P0138 means that your powertrain control module (PCM) has detected that the voltage signal from the rear O2 sensor is too high. What is an Oxygen Sensor? All modern cars have at least two oxygen sensors.
Jeep Wrangler P0138: Oxygen Sensor High Voltage (Bank 1 -Sensor 2) P0138 is a common OBDII code that occurs in many vehicles, including theJeep Wrangler. The code is triggered when: There are also some less likely problems that can cause P0138.
What causes a p0138 error code on an oxygen sensor?
Although the P0138 code often appears due to a worn-out oxygen sensor, it’s not the only condition that can trigger this error. This diagnostic code can also appear when any of the related components fail. That’s why, apart from knowing the symptoms to watch out for, it is also a good idea to know what causes a P0138 error code.
What does the code p0138 on a boxer engine mean?
Code P0138 is set when the downstream sensor sends too high of a voltage signal for an extended period of time. The bank one portion of the code indicates that the issue is on the side of the engine that houses the number one cylinder (only applies to engines with a ‘V’ or boxer configuration).