Audi RS5 (2013-2024) Manifold Absolute Pressure (MAP) Sensor Guide
Poor performance or a check engine light on your RS5 may point to a failing MAP sensor.
- A failing MAP sensor most often triggers the P0106 check engine light code.
- Bosch is an OEM supplier for Audi, making it the highest quality aftermarket choice for this part.
- The 2018+ V6 models use multiple sensors; be sure to diagnose which one has failed.
- Replacement is simple, requiring only basic tools, and can be done in under 30 minutes.
Understanding the MAP Sensor in Your Audi RS5
Your Audi RS5 has one of two very different engines depending on the year, which affects the MAP sensor's job. The 2013-2015 (B8.5) models use a 4.2L V8 engine that relies on a single MAP sensor on the intake manifold to measure engine load. The 2018-2024 (B9) models feature a 2.9L twin-turbo V6 that uses multiple MAP sensors to precisely control boost pressure from the turbos. In both cases, a failing sensor can cause significant driving issues.
Symptoms of a Failing MAP Sensor
A bad MAP sensor sends incorrect data to your car's computer, leading to a range of problems. You might notice one or more of these signs:
- Check Engine Light: This is the most common symptom. You will likely see error code P0106, which points directly to a MAP sensor performance issue. 🎬 Watch this step-by-step guide to fixing the P0106 error code.
- Rough Idle: The engine may shake or vibrate at a stop because the air-fuel mixture is unstable.
- Poor Engine Performance: You may experience sluggish acceleration, hesitation, or a general lack of power because the engine isn't getting the right fuel mixture for the load.
- Bad Fuel Economy: An incorrect sensor reading can cause the ECU to inject too much fuel, wasting it and reducing your miles per gallon.
- Black Smoke from Exhaust: This is a sign of a rich fuel mixture (too much fuel, not enough air), which can be caused by a faulty MAP sensor telling the computer the engine is under more load than it is.
Choosing the Right Aftermarket MAP Sensor
When shopping for a replacement, you'll find several brands. They generally fall into a few quality tiers.
Tier 1: OEM-Equivalent Brands
- Bosch: Bosch is the original equipment manufacturer (OEM) for many Audi parts, including this sensor. Choosing a Bosch aftermarket part is essentially the same as buying the part from an Audi dealer, but often at a lower cost. This is the most recommended option for a reliable, long-lasting repair.
- Delphi: Another top-tier supplier with a strong reputation for quality electronics that meet or exceed OEM standards.
Tier 2: Reputable Aftermarket Brands
- NGK, Hella, Standard Ignition (SMP): These are well-known brands that produce reliable sensors. They are a solid choice if Bosch is not available and offer a good balance of quality and price.
Tier 3: Budget-Friendly Options
- Vemo, Walker Products, Facet, Global Parts (GPD): These brands offer a more affordable price point. While they can be a good value, they may not have the same long-term durability or precise calibration as the higher-tier brands. They are suitable for a budget-conscious repair.
Cost of Replacing an Audi RS5 MAP Sensor
| Category | Estimated Cost |
|---|---|
| New OEM/Genuine Audi | $160 - $200 |
| New Aftermarket (Tier 1) | $90 - $160 |
| New Aftermarket (Budget) | $35 - $85 |
| Shop Labor | $75 - $150 |
Cost estimates are approximate and can vary by location and supplier.
Frequently Asked Questions
Where is the MAP sensor located on the Audi RS5?
For the 2013-2015 4.2L V8, the single MAP sensor is on the intake manifold, making it fairly easy to access. 🎬 Watch this quick video to locate the sensor on the V8 engine. For the 2018-2024 2.9L V6, there are at least two sensors; one is typically on the charge pipe before the throttle body and is very easy to reach.
Are there any recalls for the Audi RS5 MAP sensor?
No. As of early 2026, there are no active recalls or specific Technical Service Bulletins (TSBs) from Audi or the NHTSA for MAP sensor failure on the 2013-2024 RS5.
Can I clean my MAP sensor instead of replacing it?
Sometimes, cleaning a MAP sensor with a dedicated electronics or MAF sensor cleaner can temporarily restore function, especially if it's just dirty or lightly contaminated with oil. However, if the sensor's internal electronics have failed, cleaning will not help and replacement is the only solution.
Is it difficult to replace the MAP sensor myself?
No, this is a very DIY-friendly job. The sensor is usually held in by one or two Torx screws and has a simple electrical connector. Basic hand tools are all that is required, and the job can typically be completed in under 30 minutes.
Helpful Videos
Technical Specifications
OEM Part Numbers: 036906051G 06E906051AC 06E906051AG 06E906051AB
The 2013-2015 V8 uses a single MAP sensor. The 2018-2024 V6 uses multiple MAP/Boost sensors. The standard sensor for the V6 is a 3-bar unit; performance tunes may require a 4-bar sensor.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
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