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How do you fix P0138?

How do you fix P0138?

What repairs can fix the P0138 code?

  1. Replacing the O2 sensor for bank 1 sensor 2.
  2. Repairing or replacing the wiring or connection to the O2 sensor for bank 1 sensor 2.
  3. Replacing the catalyst in front of the sensor.
  4. Repairing a leaking injector.

What does the DTC code p0138 stand for?

Diagnostic trouble code (DTC) P0138 stands for O2 Sensor Circuit High Voltage (Bank 1, Sensor 2). The code will set when your car’s primary computer—also called the powertrain control module (PCM)—detects that, for a given period of time, the voltage signal from the rear O2 sensor is too high.

How much does it cost to repair a p0138 Dodge?

The cost of diagnosing the P0138 DODGE code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour. When is the code detected?

What is the OBDII code on a Dodge Dakota?

P0138 is a common OBDII code that occurs in many vehicles, including the Dodge Dakota. 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 p0138 code mean on a Dodge?

P0138 DODGE Tech Notes Replacing the Rear Heated Oxygen Sensor Bank 1 usually takes care of the problem. 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.

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.

P0138 is a common OBDII code that occurs in many vehicles, including the Dodge Dakota. The code is triggered when: There are also some less likely problems that can cause P0138.

How to diagnose an oxygen sensor on a Dodge Dakota?

It is possible to diagnose the P0138 with a multimeter. If you use the multimeter, you’ll know whether or not the voltage coming to and from the oxygen sensor is within spec, this can help you determine if it’s your Dakota’s O2 sensor, or wiring harness that’s the issue.

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Ruth Doyle