We are going to look at how to fix that fun P0137 code. You will find this code when your check engine light comes on. When this comes on, it could be for several reasons. You will need to have the code scanned to determine what is wrong with the vehicle.
This can be done by many different auto stores. You can also purchase a code scanner for yourself as well. Wait no longer; you can now know everything about this error code.
What is Error Code P0137 OBD2?
You will find that when you are diagnosing your vehicle, a lot of times, this code will be the problem. This means that there is something wrong with an oxygen sensor in the car. Again, this is going to be diagnosed by a scanner.
Definition of Error Code P0137: (Bank1, Sensor 2) Low Voltage- Oxygen O2 Sensor
What Does P0137 OBD2 Mean?
The meaning of this code will indicate that there is a fault in your oxygen sensor. It will be the second one in the first bank. It means that the voltage going to that sensor was lower than it should be for at least two minutes. Therefore, the error code has appeared.
Where Will You Find the P0137 Sensor? You will find that sensor two is in bank one and is found in the back of the cat (catalytic converter). The signal that goes off when this error code appears shows how much oxygen capacity the cat has. It will not need as much power as the front sensor; however, it will appear on your dash if the voltage is low.
Symptoms and Causes
The only issue you should experience with this is a check engine light appearing on your vehicle’s dash. You would know what the error was if you got the vehicle diagnosed. You can do this right away if you have a scanner at home. If you do not, you can go to any auto store. They likely can help you.
Even though there are not any symptoms, you should still act on the light that appears. You do not want to ignore what is happening because nothing is going wrong now. Let us look at a few reasons that would cause this error code.
- Leak in Exhaust
- Clogged Cat
- Defective Sensor
- High Resistance to Circuit
- Engine Running Lean
How to Diagnose the Problem?
That pesky check engine light is annoying and diagnosing the problem as soon as possible is important. This light should not be ignored as if the problem goes on long enough; it could cause damage. To diagnose the problem, you will need a code scanner. This will allow you to read the codes that pop up. You can diagnose the problem at home. However, many automotive shops will have these scanners if you do not have this tool. You can write down the code and take it home.
You will need to remember this code so you can fix the problem. You may ask a worker what this code means as well. They may be able to help you learn more about the problem. Once you determine the problem, you can begin fixing it. Here is the process that you should use when diagnosing this error code.
- Ensure that you are checking the oxygen sensor for any buildup.
- Ensure that this oxygen sensor does not have any faults in the connection.
- Ensure that you are looking for leaks in the exhaust. Another place to look is the intake connection. The vacuum seal could be broken.
- If you want to test for a leak, you will spray a small amount of water on your intake. Make sure that you are watching the RPMs. If the RPMs drop, then you have a leak in the intake.
- You will want to ensure that you have a warm engine and test the oxygen sensor’s voltage. It should be reading from .1-.95. If the voltage is lower, then the sensor is broken.
Common Diagnosis Mistakes to Avoid
When people have the error code P0137, they often neglect to look at the sensor. In many cases, all you must do is clean off the sensor. There is build-up on the sensor, and it is not working properly. Be sure to always look at the sensor when diagnosing your problem. It could be as simple as cleaning off a sensor. Look how much time and money you will save if this is your problem.
How to Fix Error Code P0137?
Before you start repairing, keep in mind there are a few things that you can fix to help this. It would help if you determined which one you will need. This should be done when diagnosing. Here are a few examples of how you can fix the problem.
- Replace Faulty Sensor
- Fix Exhaust Leak
- Replace Cat
- Repair any Shorts
Tips About the P0137
If you are dealing with this code, you will find that you should address them quickly. You want to make sure you deal with the heating DTCs before anything else. If these are getting too warm, the error code will appear.
Repair Cost for P0137 Error Code
Remember, that sometimes it is something as simple as cleaning the sensor. However, it is not always that simple. There are a few things that could need to be fixed. We have the estimated costs here.
- Sensor: $150-$350
- Exhaust: $1-300
- Leak in Vacuum: $100-$250
- Cat Converter: Up to $2,500
This error code could be something simple to fix. However, it could be something that will take more time to fix. It could be a free fix; or a fix that costs over two thousand dollars. That is why it is always recommended to try cleansing the sensor first.