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Guide To P0144 OBD Error Code Solutions

OBD Code P0144 - O2 Sensor Circuit High Voltage (Bank 1 Sensor 3)

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OBD error code P0144 is also a generic error code that indicates some problem with your vehicle’s oxygen sensor circuit. Now, you must be wondering what is this problem and how does that matter when it comes to your vehicle’s performance? Another question that might be haunting you must be how serious is this problem? Well, to get your answers to all these questions you will need to go through the subsequent sections.

Learn More About OBD Error Code P0144

OBD code P0144 will be set by your vehicle’s PCM/ECM also known as the powertrain control module/engine control module when it detects that there is a rich condition meaning an excessive high voltage from the bank 1 sensor 2 of the oxygen sensor circuit. Wondering what causes this rich condition? Go through the causes mentioned below:

 

What causes this problem with the O2 sensor circuit (Bank 1 Sensor 3)?

 

  • Issues with the rear most oxygen sensor, such as defective wirings or connections, open or shorted circuits
  • Damaged oxygen sensor wiring that lies close to exhaust components
  • Rich running of engine
  • Exhaust holes near bank 1 sensor 3
  • Damaged PCM
  • Broken catalyst not cleaning the exhaust, causing the rich condition

Replace/Repair These Parts To Fix OBD Code P0144

  1. Powertrain Control Module - PCM if damaged can be really problematic. So, we advise you to undergo PCM replacement as soon as possible, if found damaged. Worried about the cost? Well, you no longer need to worry about that as we have for you best priced PCM’S in stock.
  2. Engine Control Module - OBD error code P0144 flashing? There is a chance that your ECM, itself is damaged and is demanding for a quick change. So, what are you waiting for? Buy a new one with us now.
  3. Oxygen Sensor - if you are facing OBD error code P0144, chances are that your vehicle demands and oxygen sensor replacement. Don’t worry as you have arrived at the right place. We have in stock for you high end oxygen sensors from top brands like Denso, Bosch and many more
  4. Mass Air Flow sensor - If you need MAF sensors to fix your car then we have good news for you. We have in stock not only high end MAF sensors but we also have them for all makes and models. So, what are you waiting for? Just dive into the pool of best auto parts.
  5. Manifold Absolute Pressure Sensor - Looking manifold absolute pressure sensor to fix this problem? If YES, then all you need to do is to browse through our website. You can find the most budget friendly parts with us.
  6. Exhaust Systems & Parts - If you are looking for exhaust components such as exhaust manifold, cat converters and more for your vehicle make? Then you have arrived at the right place, you can easily find that with us.
  7. Diagnostic Tools If you need any of the DIY diagnostic tools, to diagnose the issues with your cars. You can find them all with us.

Symptoms Of OBD Error Code P0144

We have listed out few common symptoms related to the OBD error code P0144 to help you in better understanding of the problem.

 

Common Symptoms

 

  • Illumination of MIL (Malfunction Indicator Lamp)
  • Loss in engine power
  • Fall in fuel efficiency
  • Vehicle may fail the emissions test in some cases
  • Increase in tailpipe emissions

How To Correct P0144 O2 Sensor Circuit High Voltage (Bank 1 Sensor 3)

Correcting a problem with your vehicle is not easy, you need to be extremely careful. You need to follow certain specified steps. We have worked out a list of steps for you to correct the OBD error code P0144

 

  • First of all, you should conduct a road test after clearing the fault code to verify the failure
  • Next, replace the damaged or shorted o2 sensor for bank 1 sensor 3
  • After that replace or repair the wiring or connections to the O2 sensor for bank 1 sensor if found damaged
  • Lastly, replace the broken catalyst

After knowing the steps, you also need to buy high end parts to fix or replace the damaged parts. If you are thinking from where to get it, you can easily browse through our website and get your hand on the top-notch auto parts today.

Easy Diagnosis Of Engine Error OBD Code P0144

If you wish to be that DIY guy and want to diagnose your vehicle’s problem yourself you will need to keep in mind the following steps

 

  • Firstly, you will need to checks the electrical connections for shorts or sensor damage to the O2 bank 1 sensor 3
  • After that you will have to attach a diagnostic scanner to scan code and documents freeze frame data
  • Next, you will need to clear codes to check for the sensor failure
  • After this you will need to keep an eye and check oxygen sensor data to check if the voltage is above 500 mv or not
  • Also, check the exhaust catalyst for any damage
  • For further diagnosis you will have to follow the manufacturer's specific pinpoint tests

Common Mistakes When Diagnosing The P0144 Code

 

To avoid any misdiagnosis, follow the following steps:

 

  • Before replacing the O2 sensor make sure that you check the catalyst integrity for damage or defects
  • Engine leaks may short the sensor, so check for oil or coolant contaminants in the sensor
  • Also, make sure that the heater circuit works properly
  • Also, do check the removed O2 sensor for any damage

Other Diagnostic Codes Related To OBD Code P0144

P0142 - O2 Sensor Circuit Malfunction (Bank 1 Sensor 3)

P0143 - O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3)

P0145 - O2 Sensor Circuit Slow Response (Bank 1 Sensor 3)

P0146 - O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3)

P0147 - O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 3)