P1036 code — how to fix error fast

The code P1036 is a perfect reminder that we may take the engine’s combustion process for granted since it’s much more complex than we imagine. Of course, if you get this code, it’s an unfortunate scenario, but that doesn’t mean you’ll have to face any serious damage.

Instead, you can rely on our guide on P1036 code meaning and causes to figure out the best way of coping with the issue. In this guide, we’ll try to deliver all the details on the most probable causes of the code, as well as what you can do to diagnose and fix it as soon as possible after reading it.

Why you can trust REREV’s OBD2 code advice: Our automotive expert researchers with experienced mechanics undertakes a thorough research methodology to deliver precise insights on OBD codes. Find out more about OBD2 codes research process..

What does the P1036 code mean?

The P1036 code is a diagnostic trouble code that indicates an issue with the intake manifold runner control (IMRC) valve. This valve is responsible for controlling the flow of air into the engine’s intake manifold.

When the valve malfunctions, it can cause a range of issues, including reduced engine power and fuel efficiency. The consequences of the code can be severe and can lead to expensive repairs if not addressed promptly.

Symptoms of the P1036 code may include a check engine light, reduced engine power, rough idle, and decreased fuel efficiency. If you notice any of these symptoms, it’s crucial to have your vehicle diagnosed by a professional mechanic.

What causes the P1036 code?

Several factors can cause the P1036 code to appear on a vehicle’s diagnostic system. The most common causes are:

Malfunctioning IMRC valve

The IMRC valve can malfunction due to various reasons, such as a wiring issue, a faulty valve, or a damaged actuator. When the valve fails, it can cause the code to appear.

Dirty or clogged IMRC valve

If the IMRC valve becomes dirty or clogged with debris, it can cause the valve to malfunction, leading to this code.

Vacuum leaks

A vacuum leak in the intake manifold or vacuum lines can cause the IMRC valve to malfunction, leading to the P1036 code.

Which car models does the P1036 code affect the most?

This code is pretty generic in terms of the wide range of models it can affect, so it takes some time to figure out which cars are in more danger of getting this code than others. So, we made sure to cut your worries short as we did the research for you in discovering the car models that could be affected the most:

• BMW 3 Series E46: This model is equipped with an intake manifold air control valve that can become clogged or stuck, leading to a malfunction of the sensor circuit.
• Audi A4 B7: This model generation of the A4 is also prone to this code due to a similar design of the circuit as the BMW 3 Series.
• Volkswagen Passat: This one shares quite a few components with its Audi counterpart, so it’s no wonder that the B6 Volkswagen Passat has also been reported to frequently experience issues with this code.

How to diagnose the P1036 code

Diagnosing the P1036 code requires specialized tools and equipment, and it’s essential to follow the proper diagnostic procedures. The following are the steps to diagnose the code:

Use an OBD2 scanner

The first step in diagnosing the P1036 code is to scan the vehicle’s onboard diagnostic system using a scan tool. The scan tool will read the code and provide additional information about the issue.

Check the IMRC valve

Inspect the IMRC valve for any signs of damage or wear. Check the valve’s wiring for any signs of damage or corrosion.

Check the vacuum lines

Check the vacuum lines for any signs of damage or leaks. A vacuum leak can cause the IMRC valve to malfunction, leading to the P1036 code.

Test the valve

Test the IMRC valve’s functionality using a specialized diagnostic tool. The tool will simulate the valve’s operation and provide information about its performance.

How to fix the P1036 code

Fixing the P1036 code requires addressing the underlying cause of the issue. So, now that you know what might have caused the issue in your car, you can apply one of the following solutions:

Replace the IMRC valve

If the IMRC valve is malfunctioning, it may need to be replaced. The cost of replacing the valve varies depending on the make and model of the vehicle.

Clean the valve

There are specialized IMRC valve cleaners that you can get for as little as $20 to try and remove the debris and dirt from the valve and see if that sorts out the issue with its performance.

Vacuum Leak

Vacuum leaks are a bit more difficult to find so it’s better to leave this one to your mechanic. They will be able to use a smoke test or apply other methods of finding the leak so you can repair the issue and make sure that there are no more leaks left.

How to prevent the P1036 code?

Preventing the P1036 code requires proper maintenance of the affected system. The following are some preventative measures that can be taken:

• Regular maintenance
• Air filters replacements
• Checking the air intake system for dirt and debris
• Driving without harsh and sudden accelerations

Promptly addressing any issues with the IMRC system can prevent the code from appearing and reduce the risk of more severe issues down the line.

Our take

Regardless of whether you get a code P1036 on a diagnostic scanner or other air intake-related code, you should be prepared to take proper action to instantly repair and fix it. Removing the codes should do the trick in making things right with your engine’s performance, and we recommend you stick with our listed methods of diagnosing and clearing the code.