P112F Code BMW: Meaning, Causes, Symptoms and Fixes

BMW P112F Code:Manifold Absolute Pressure To Throttle Angle Too High Bank 1

As a car owner, it can be frustrating to see a warning light pop up on your dashboard. One of the most common issues that BMW drivers face is the P112F code. This code indicates a problem with the manifold absolute pressure to throttle angle, which can cause a range of issues with your vehicle’s performance. In this article, we will explore the meaning, causes, symptoms, and fixes for the BMW P112F code. Whether you’re a DIY mechanic or seeking professional advice, we’ve got you covered. Read on to learn more about resolving this issue and getting your BMW back on the road.

What Does BMW P112F Code Mean?

The BMW P112F code refers to a problem with the manifold absolute pressure (MAP) sensor and throttle angle on bank 1 of the engine. This code indicates that the MAP sensor is detecting a higher than expected pressure in the intake manifold, which is not in line with the throttle angle. This can cause a range of issues with the engine’s performance, including reduced power, poor acceleration, and increased fuel consumption. The code is typically triggered by a malfunction in the MAP sensor or a problem with the wiring or connections between the sensor and the engine control module. It is important to address this issue promptly to prevent further damage to the engine and ensure optimal performance of the vehicle.

Signs and Symptoms of BMW P112F Code

When the BMW P112F code appears, it indicates that there is a problem with the manifold absolute pressure (MAP) sensor. This sensor is responsible for measuring the amount of air that enters the engine and sending this information to the engine control module (ECM). When the ECM receives incorrect information from the MAP sensor, it can cause a variety of symptoms that can affect the performance of the vehicle. Here are some of the signs and symptoms of the BMW P112F code:

  • Check Engine Light: The most common symptom of the BMW P112F code is the illumination of the check engine light on the dashboard. This light can indicate a variety of issues, but when it is accompanied by the P112F code, it is likely related to the MAP sensor.
  • Poor Acceleration: When the MAP sensor is not functioning properly, it can cause the engine to receive incorrect information about the amount of air entering the engine. This can result in poor acceleration and a lack of power when driving the vehicle.
  • Engine Stalling: In some cases, the BMW P112F code can cause the engine to stall or shut off completely. This can be dangerous if it happens while driving, as it can cause a loss of control of the vehicle.
  • Reduced Fuel Efficiency: When the engine is not receiving the correct amount of air, it can cause the fuel to burn less efficiently. This can result in reduced fuel efficiency and increased fuel consumption.
  • Rough Idling: If the MAP sensor is not functioning properly, it can cause the engine to idle roughly or even stall when the vehicle is at a stop.

If you are experiencing any of these symptoms, it is important to have your BMW vehicle diagnosed by a professional mechanic. They can use specialized equipment to determine the cause of the issue and recommend the appropriate repairs. Ignoring the BMW P112F code can lead to further damage to the engine and other components of the vehicle, so it is important to address the issue as soon as possible.

Possible Causes of BMW P112F Code

When the BMW P112F code appears, it indicates that there is a problem with the manifold absolute pressure to throttle angle being too high on bank 1. This can be caused by a variety of issues, including:

  • Faulty throttle body: A malfunctioning throttle body can cause the throttle angle to be too high, triggering the P112F code.
  • Dirty throttle body: If the throttle body is dirty, it can cause the throttle angle to be too high, leading to the P112F code.
  • Malfunctioning MAP sensor: The manifold absolute pressure (MAP) sensor measures the pressure in the intake manifold and sends this information to the engine control module (ECM). If the MAP sensor is faulty, it can cause the throttle angle to be too high, resulting in the P112F code.
  • Wiring issues: Faulty wiring or connections between the throttle body, MAP sensor, and ECM can cause communication errors and trigger the P112F code.
  • ECM malfunction: If the ECM is malfunctioning, it may not be able to properly communicate with the throttle body and MAP sensor, leading to the P112F code.

It is important to note that the P112F code can also be triggered by other issues, such as vacuum leaks, fuel system problems, or issues with the air intake system. Therefore, it is important to have a professional diagnose the issue to determine the root cause and the best course of action for repair.

If you are experiencing symptoms such as reduced engine power, rough idling, or stalling, it is important to address the issue promptly to prevent further damage to your BMW vehicle. A professional mechanic can help diagnose and repair the issue, ensuring that your vehicle is running smoothly and efficiently.

Fixes for BMW P112F Code

If you are experiencing the BMW P112F code, it is important to address the issue promptly to avoid further damage to your vehicle. Here are some potential fixes for the code:

1. Check the Throttle Body: The first step in fixing the P112F code is to check the throttle body. It may be dirty or clogged, causing the manifold absolute pressure to throttle angle to be too high. Clean the throttle body and check for any damage or wear and tear. If the throttle body is damaged, it may need to be replaced.

2. Inspect the MAP Sensor: The manifold absolute pressure (MAP) sensor measures the air pressure in the intake manifold and sends this information to the engine control module (ECM). If the MAP sensor is faulty or damaged, it can cause the P112F code. Inspect the MAP sensor and replace it if necessary.

3. Check the Wiring and Connections: Faulty wiring or loose connections can also cause the P112F code. Inspect the wiring and connections to the throttle body and MAP sensor. Repair or replace any damaged wiring or connections.

4. Replace the ECM: If none of the above fixes work, the issue may be with the ECM itself. The ECM controls the throttle body and MAP sensor, so if it is faulty, it can cause the P112F code. Replace the ECM to resolve the issue.

5. Seek Professional Help: If you are not comfortable performing these fixes on your own, it is best to seek professional help. A certified mechanic can diagnose and fix the issue, ensuring that your BMW is running smoothly and efficiently.

In conclusion, the BMW P112F code can be caused by a variety of issues, including a dirty throttle body, faulty MAP sensor, damaged wiring or connections, or a faulty ECM. It is important to address the issue promptly to avoid further damage to your vehicle. Consider performing these fixes on your own or seek professional help to resolve the issue.

How Much Will It Take to Fix the BMW P112F Code?

The cost of fixing the BMW P112F code can vary depending on the severity of the issue and the type of repair needed. In some cases, the fix may be as simple as replacing a faulty sensor or cleaning the throttle body. However, if the problem is more complex, it may require more extensive repairs, such as replacing the entire throttle body or manifold.

The cost of parts and labor can also vary depending on the location and the mechanic or dealership performing the repairs. On average, the cost of fixing the BMW P112F code can range from $100 to $500 or more.

If you are experiencing symptoms of the P112F code, such as reduced engine power or poor acceleration, it is important to address the issue as soon as possible to prevent further damage to your vehicle. It is recommended to have a professional mechanic diagnose and repair the issue to ensure proper and safe repairs.

Overall, the cost of fixing the BMW P112F code can vary, but it is important to address the issue promptly to avoid further damage and potential safety hazards.

Possible Causes and Fixes of Code

Possible Cause Fix Cost to Fix
Failed MAP sensor Replace MAP sensor $100-$300
Dirty throttle body Clean throttle body $50-$100
Faulty throttle position sensor Replace throttle position sensor $100-$200
Wiring issues Repair or replace wiring $100-$500
Failed PCM Replace PCM $500-$1000

 

Preventing BMW P112F Code: Tips and Tricks

If you own a BMW vehicle, you may have encountered the P112F code, which indicates that the manifold absolute pressure to throttle angle is too high on bank 1. This issue can cause a variety of symptoms, including poor engine performance, reduced fuel efficiency, and even stalling. To prevent this code from appearing, here are some tips and tricks to follow:

1. Regular Maintenance

One of the most effective ways to prevent the P112F code is to keep up with your BMW’s regular maintenance schedule. This includes changing the oil and air filters, checking the spark plugs, and inspecting the fuel system. By doing so, you can ensure that your vehicle is running smoothly and avoid any potential issues that could trigger the code.

2. Check the Throttle Body

The throttle body is a critical component of your BMW’s engine, and if it becomes dirty or clogged, it can cause the P112F code to appear. To prevent this, you should regularly inspect and clean the throttle body to ensure that it is functioning properly. You can use a throttle body cleaner and a soft-bristled brush to remove any dirt or debris that may have accumulated.

3. Inspect the MAP Sensor

The MAP sensor is responsible for measuring the pressure in the intake manifold, and if it becomes faulty or damaged, it can trigger the P112F code. To prevent this, you should regularly inspect the MAP sensor and ensure that it is clean and free of any damage. If you notice any issues, you should replace the sensor immediately.

4. Check the Wiring and Connections

The wiring and connections in your BMW’s engine can also cause the P112F code to appear. To prevent this, you should regularly inspect the wiring and connections and ensure that they are secure and free of any damage. If you notice any issues, you should repair or replace the affected components.

5. Use High-Quality Fuel

Finally, using high-quality fuel can also help prevent the P112F code from appearing. Low-quality fuel can cause a variety of issues in your BMW’s engine, including triggering the code. By using high-quality fuel, you can ensure that your engine is running smoothly and avoid any potential issues.

 

How Serious is the BMW P112F Code?

The BMW P112F code is a serious issue that should not be ignored. It indicates that there is a problem with the manifold absolute pressure (MAP) sensor, which is responsible for measuring the amount of air entering the engine. When the MAP sensor fails, it can cause a variety of problems, including reduced engine performance, decreased fuel efficiency, and even engine damage.

One of the most significant symptoms of the BMW P112F code is a decrease in engine power. This can make it difficult to accelerate or maintain speed, and can even cause the engine to stall. Additionally, the code can cause the engine to run rough or misfire, which can lead to further damage if left untreated.

If you notice the BMW P112F code on your vehicle, it is important to have it diagnosed and repaired as soon as possible. Ignoring the issue can lead to more significant problems down the line, and can even cause the engine to fail completely. A qualified mechanic can diagnose the issue and recommend the best course of action to get your BMW back on the road safely.

Can You Still Drive with the BMW P112F Code?

If you have a BMW vehicle and have encountered the P112F code, you may be wondering if it is safe to continue driving your car. The answer to this question depends on the severity of the issue and the symptoms you are experiencing.

In some cases, the P112F code may not cause any noticeable symptoms, and you may be able to continue driving your car without any issues. However, it is important to note that ignoring the code can lead to more severe problems down the line.

If you are experiencing symptoms such as reduced power, poor acceleration, or stalling, it is not recommended to continue driving your car. These symptoms can indicate a more serious issue that requires immediate attention from a professional mechanic.

In summary, while it may be possible to continue driving your car with the P112F code, it is not recommended. It is important to address the issue as soon as possible to prevent further damage to your vehicle and ensure your safety on the road.

Conclusion

If you are experiencing the BMW P112F code, it is important to address the issue promptly to avoid further damage to your vehicle. The code indicates a problem with the manifold absolute pressure to throttle angle, which can cause a variety of symptoms such as reduced engine power, poor fuel economy, and rough idling. While there are several potential causes for the code, including a faulty sensor or wiring issue, it is best to consult with a professional mechanic to diagnose and repair the problem. With the right expertise and tools, you can get your BMW back on the road and running smoothly once again.

FAQ

What does the BMW P112F code mean?

The BMW P112F code indicates that there is a problem with the manifold absolute pressure to throttle angle being too high on bank 1 of the engine.

What are the causes of the BMW P112F code?

The causes of the BMW P112F code can include a faulty throttle body, a vacuum leak, a malfunctioning MAP sensor, or a problem with the wiring or connections in the system.

What are the symptoms of the BMW P112F code?

The symptoms of the BMW P112F code can include reduced engine power, poor acceleration, rough idling, and stalling.

Can I still drive my BMW with the P112F code?

It is not recommended to drive your BMW with the P112F code as it can cause further damage to the engine and potentially lead to a breakdown.

Can I fix the BMW P112F code myself?

Depending on the cause of the code, it may be possible to fix it yourself. However, it is recommended to have a professional diagnose and repair the issue to ensure it is properly resolved.

How much does it cost to fix the BMW P112F code?

The cost to fix the BMW P112F code can vary depending on the cause of the issue and the extent of the repairs needed. It is best to get a quote from a professional mechanic.

How can I prevent the BMW P112F code from occurring?

To prevent the BMW P112F code from occurring, it is important to keep up with regular maintenance on your vehicle, including replacing the air filter and checking for vacuum leaks. It is also important to address any issues with the throttle body or MAP sensor as soon as they arise.

Learn about other similar BMW Fault Codes from our BMW OBD 2 Fault Code List.

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