p0137 Chevy Silverado – Repairing P0137 Code

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p0137 Chevy Silverado – Repairing the P0137 Code on Your Chevy Silverado GuideMechanic.Com If your Chevrolet Silverado is exhibiting the P0137 code, you should be able to figure out what’s wrong with it without spending a fortune on a technician.

This article will walk you through some of the most common symptoms of a faulty O2 sensor, as well as some possible repair options. The right way to diagnose the problem is to first try to determine whether it’s actually caused by the O2 sensor itself.

p0137 Chevy Silverado

O2 sensor

If you’re experiencing a code called P0137, the issue is likely with your car’s O2 sensor. This sensor is located near the exhaust manifold, and is responsible for detecting air pollution.

When it fails, this code can also cause your car’s service engine soon warning light to illuminate. The good news is that you can repair this problem yourself with relatively few expenses.

When your Chevrolet’s oxygen sensor is faulty, you may notice rough acceleration, poor acceleration, or even high emissions.

A bad sensor can also lead to engine damage and the failure of the catalytic converter, which will cost you thousands of dollars to repair.

A new O2 sensor can improve fuel efficiency by up to 40 percent. If you’ve had your car for over a hundred thousand miles, it’s time to get it checked.

Generally, this code is caused by a faulty coil or injector, but sometimes, it can be caused by the O2 sensor. The O2 sensor is responsible for regulating many different things in the car, and if it doesn’t work, it can cause your vehicle to misfire. You should replace the O2 sensor immediately if you suspect that it is the cause of your problem.

Before you buy a new O2 sensor, you should check for any other problems your car might have. First, check for any leaks in the engine’s exhaust and vacuum lines.

Also, check for water on the gasket and intake connections. Finally, check the voltage of the sensor. It should be between 0.1 and 0.95 volts. If it’s reading above these levels, it’s probably a problem with your oxygen sensor.

The cause of P0137 is the oxygen sensor after the catalytic converter. The post-catalyst sensor can get too old and lose its ability to react to changes in the oxygen content in the exhaust system.

Read more: p0161 Chevy Silverado – How to Fix

While life behind the converter is generally comfortable, life behind the catalyst is not. In addition, after a certain number of miles, the post-catalyst sensor may begin to fail. You can still use the other sensor in the car, as long as it is not the problem.

If the problem is confined to the O2 sensor, then your car’s Check Engine Light may illuminate and indicate that you should repair the O2 sensor. It’s possible that the issue is with the wiring harness, or even the O2 sensor itself.

Check the sensors’ connections and the sensor’s wiring for corrosion. Your mechanic should follow the manufacturer’s precise testing procedures and check for leaks.

Faulty upstream O2 sensor is a common problem on Chevy Silverado 1500s. Replacing this sensor can help you enjoy optimal engine performance and fuel efficiency.

A professional mechanic can diagnose the issue and perform the repair in a timely manner. A Chevy technician is the best person to do this.

If you can’t find a mechanic near you, consider visiting a mechanic workshop. Your car may be running on the same fuel as it did when it was brand new.


When you get the dreaded “P0137” code on your Chevrolet Silverado, you should know what to look for and what to do. This code is the result of a wiring or sensor issue.

You can check the sensor and wiring harness yourself at home to determine whether you’re dealing with the right problem. Here are some possible fixes:

First, the code tells you that there is an issue with the oxygen sensor. It detects an abnormally high percentage of oxygen in the exhaust gas and then drops its voltage.

The most common cause of P0137 is a faulty downstream oxygen sensor. Listed below are common causes and solutions.

This code can cause serious damage to your vehicle. If you’re not sure how to diagnose this code, you can use the FIXD mechanic hotline or RepairPal to find an auto technician who can fix your Chevy.

If the check engine light illuminates, you’ve detected a malfunction. It may be related to a bad oxygen sensor or a faulty exhaust sensor.

If the O2 sensor is the cause of the problem, your mechanic will need to check for exhaust leaks and tighten any loose connections.

In addition, the mechanic will want to scan the freeze frame data and clear the codes before determining the cause of the problem.

The cause of P0137 on a Chevy Silverado is the O2 sensor circuit. When the voltage on the second oxygen sensor drops below.21 volts, the engine control module will detect it and turn on the Check Engine Light. Once the Check Engine Light is illuminated, the next step is to replace the oxygen sensor.

The faulty oxygen sensor may be the culprit. As the problem is caused by the oxygen sensor, the car will experience poor fuel economy and a higher cost of fuel.

Another possible cause of P0137 on a Chevy Silverado is exhaust leaks. Exhaust leaks can lead to low output voltages on the O2 sensor.

If the sensor is not working properly, it will not control the engine’s fuel-to-air ratio. Consequently, you’ll have poor gas mileage and even damage other engine components.

Therefore, it’s important to identify the underlying cause of P0137 on your Chevy Silverado to ensure that you’re not making a costly mistake.

Repairing the P0137 Code on Your Chevy Silverado

Repair options

The P0137 code in your Chevy Silverado indicates a sensor or wiring problem. Depending on the severity of the code, you may need to replace the oxygen sensor or the entire wiring harness.

Before you begin the repair process, diagnose the problem thoroughly. The most likely cause of the P0137 code is the oxygen sensor, which can be quite inexpensive. To learn more about this specific issue, read the repair steps below.

A malfunctioning O2 sensor causes poor fuel mileage, rough idling, poor power, and failsafe mode. The circuit in the O2 sensor in bank 1 provides voltage feedback to the engine control module.

When the voltage is low, the engine is experiencing excessive oxygen. This indicates a problem with the sensor. You should take your vehicle to a mechanic for a diagnosis. A mechanic can help you determine which parts need to be replaced.

If you know the exact cause of your P0137 code, you can visit a certified mechanic for assistance. Many mechanics use the FIXD mechanic hotline to get a fast quote on the repair.

You can also look up the shop’s credentials on RepairPal. This site lists certified mechanics in your area and offers free estimates. By contacting a certified mechanic for assistance, you can be assured that the repair will be done correctly.

Oxygen sensor failure is another problem that can cause a P0137 code. This sensor malfunction can be fixed by cleaning it or replacing the pipe linked to it.

If the sensor is in poor condition, it will need a replacement. You can also purchase and install a new sensor yourself if you’re confident in your abilities. If all these methods fail, visit a mechanic and discuss your options.

A P0137 code is usually triggered by a malfunction in the oxygen sensor. This sensor is located after the catalytic converter and monitors the level of oxygen in the exhaust.

If the voltage level is lower than the normal level for 120 minutes, a potential repair issue will be identified. Keeping your car running smoothly requires repairing this important part of the vehicle. So, it is important to know what you can and cannot do to fix it yourself.

A bad oxygen sensor is another common cause of P0137 code in Chevrolet Silverado. A faulty exhaust sensor may also cause the problem.

A mechanic can fix the code by replacing the oxygen sensor, but you must check the other components first to be sure that it is not a wiring problem.

Make sure you have intermediate level diagnostic equipment and some mechanical knowledge before you begin any repairs. If all of these methods fail, contact a professional mechanic for more detailed instructions.


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