Audi A5 Quattro Manifold Absolute Pressure (MAP) Sensor Guide (2008-2016)
Understand the symptoms of a failing MAP sensor in your A5 Quattro and learn how to choose the right replacement part.
- A bad MAP sensor on your A5 Quattro will most likely trigger a Check Engine Light with a P0106 code.
- For best results and long-term reliability, choose an OEM-supplier brand like Bosch for the replacement part.
- Replacement is a very simple DIY task that can be done in under 30 minutes with basic tools.
- Before replacing the sensor, especially on a 2.0T engine, consider that a faulty PCV valve can sometimes cause the same symptoms and codes.
Is Your Audi A5 Quattro Running Rough? It Could Be the MAP Sensor.
If your 2008-2016 Audi A5 Quattro is experiencing poor performance, a rough idle, or a sudden drop in fuel economy, a faulty Manifold Absolute Pressure (MAP) sensor could be the culprit. This small but vital sensor plays a big role in how your engine performs, especially with Audi's turbocharged engines. Replacing it is a straightforward job that can restore your car's performance and efficiency.
Symptoms of a Bad MAP Sensor in an A5 Quattro
A failing MAP sensor sends incorrect information to your engine's computer, leading to a variety of noticeable problems. Here’s what to look out for:
🎬 Watch a quick guide on common symptoms of a bad sensor.- Check Engine Light: This is often the first sign. The most common trouble code is P0106, which points to a problem with the MAP sensor's performance or range. 🎬 See how to fix P0106 and P0238 fault codes yourself.
- Poor Engine Performance: You might feel a lack of power, sluggish acceleration, or hesitation when you press the gas pedal.
- Rough Idle: The engine may idle unevenly, shake, or even stall.
- Reduced Fuel Economy: An incorrect air-fuel mixture caused by a bad sensor often leads to the engine using more fuel than necessary.
- Black Smoke from Exhaust: If the engine runs too rich (too much fuel), you may see black smoke coming from the tailpipe, which is unburnt fuel.
Pro Tip: Check the PCV Valve
On the 2.0T engine, a faulty PCV (Positive Crankcase Ventilation) valve can sometimes cause the same P0106 fault code as a bad MAP sensor. If a new MAP sensor doesn't solve the issue, the PCV valve is the next logical part to inspect.
Choosing the Right Aftermarket MAP Sensor
When it comes to critical engine sensors for a German vehicle like your Audi, brand quality matters. Not all aftermarket parts are created equal.
Tier 1: OEM Supplier Brands
Brands like Bosch are original equipment manufacturers (OEM) for Audi. This means Bosch makes the part that is installed at the factory, which is then sold as a "Genuine Audi" part. Choosing a Bosch aftermarket sensor often gets you the exact same quality part without the dealership price tag. Delphi is another highly reputable OEM supplier known for quality electronics.
Tier 2: Reputable Aftermarket Brands
Brands like Hella, NGK/NTK, and Standard Ignition (SMP) have a long history of producing reliable aftermarket components. While they may not be the original supplier for this specific part, they are known for good quality control and performance.
Tier 3: Budget-Friendly Options
Brands such as Walker Products, Vemo, Facet, Global Parts, and True Tech offer more affordable options. While they can get your car back on the road, for a critical sensor on a complex engine, it is generally recommended to invest in a Tier 1 or Tier 2 brand for long-term reliability and precise performance.
Cost to Replace an Audi A5 Quattro MAP Sensor
| Item | Estimated Cost |
|---|---|
| New Aftermarket Part | $35 - $114 |
| New OEM Part | $120 - $180 |
| Shop Labor | $70 - $140 |
| Total Professional Replacement | $155 - $320 |
Frequently Asked Questions
Where is the MAP sensor located on a 2008-2016 Audi A5 Quattro?
On the common 2.0T engine, the MAP sensor is very easy to access. It is located at the front of the engine, mounted on the charge pipe that goes into the intake manifold. It is typically held in place by two T20 Torx screws.
Can I clean my MAP sensor instead of replacing it?
While some sources suggest cleaning the sensor with a dedicated Mass Airflow (MAF) sensor cleaner may help, it is often a temporary fix. Given the low cost of a high-quality aftermarket replacement and the critical function of the part, replacement is the recommended long-term solution.
Is this a difficult DIY job?
No, this is one of the easier DIY jobs on an A5. The sensor is easily accessible at the front of the engine. The job involves unplugging a connector and removing two screws. It can typically be completed in under 30 minutes with basic tools.
🎬 Watch this step-by-step MAP sensor replacement walkthrough for your A5.Are there any recalls for the Audi A5 MAP sensor?
No, there are no specific recalls or widespread Technical Service Bulletins (TSBs) from Audi or the NHTSA for MAP sensor failure on the 2008-2016 A5 Quattro. Failures are typically due to normal aging and wear of the electronic component.
Helpful Videos
Technical Specifications
OEM Part Numbers: 038906051E 06E906051Q 03C906051F 036906051G 038906051R 038906051T
The MAP sensor for the 2008-2016 Audi A5 Quattro is typically a 4-pin electronic sensor that mounts directly to the intake charge pipe or manifold. Part numbers vary by specific engine (e.g., 2.0T vs 3.2L V6) and model year, so always verify fitment with your vehicle's VIN.
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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.
- Audi A5 Quattro:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Is Your Audi A5 Quattro Running Rough? It Could Be the MAP Sensor.
- Symptoms of a Bad MAP Sensor in an A5 Quattro
- Pro Tip: Check the PCV Valve
- Choosing the Right Aftermarket MAP Sensor
- Cost to Replace an Audi A5 Quattro MAP Sensor
- Frequently Asked Questions
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