A Guide to the Manifold Absolute Pressure Sensor for the 2017 GMC Acadia Limited
Understanding the MAP sensor in your Acadia Limited's 3.6L V6 engine and how to choose the right replacement.
- The MAP sensor on the 2017 Acadia Limited is easy to access and replace, making it a great DIY job.
- Symptoms of failure include a Check Engine Light (P0106), rough idle, poor acceleration, and bad gas mileage.
- For critical sensors, choosing a premium aftermarket brand like Bosch or Delphi is recommended for reliability.
- No recalls or TSBs are specifically associated with this part, so failure is usually due to normal wear and tear.
Is Your Acadia Limited's MAP Sensor Failing?
When a MAP sensor begins to fail, it sends incorrect data to the engine's computer. This can cause a range of noticeable problems. Because it's an electronic component exposed to constant heat and vibration in the engine bay, failure can happen over time without much warning.
Common Symptoms of a Bad MAP Sensor:
- Check Engine Light: This is the most common sign. The computer will log a fault code, often P0106, indicating a problem with the MAP sensor's performance. 🎬 Watch: How to fix a P0106 code the easy way
- Poor Engine Performance: You might notice sluggish acceleration, hesitation, or a general lack of power.
- Rough Idle: The engine may idle unevenly or feel shaky when you're stopped.
- Reduced Fuel Economy: A bad sensor can cause the engine to use more fuel than necessary.
- Black Smoke from Exhaust: This can indicate the engine is running too rich (too much fuel), a common result of a faulty MAP sensor reading.
- Difficulty Starting: The engine may be hard to start or stall shortly after starting.
Replacement Cost for 2017 GMC Acadia Limited
| New Aftermarket Part | $39.20 - $61.66 |
| New OEM (ACDelco/GM) Part | $26.00 - $45.00 |
| Shop Labor Cost | $30.00 - $75.00 |
| Estimated Total (Shop) | $65.00 - $120.00 |
Choosing the Right Aftermarket MAP Sensor
For a critical electronic part like the MAP sensor, quality matters. While saving money is important, a cheap, poorly made sensor can fail quickly or provide inaccurate readings, leading to the same problems you were trying to fix. Here’s a breakdown of the available brands to help you decide.
Pro Tip: For GM vehicles, the original equipment (OE) supplier is often ACDelco or Delphi. Choosing one of these brands, even in the aftermarket, is usually the safest bet for compatibility and long-term reliability.
- Premium Brands (Recommended): Bosch, Delphi. These companies are often original equipment manufacturers for many car brands, including GM. Their sensors are engineered to meet or exceed factory specifications and are the preferred choice for reliability.
- Reputable Aftermarket Brands: NGK, Spectra, Standard Ignition, Walker Products. These brands have a long history in the aftermarket. They offer a good balance of quality and value. Walker Products, for example, states their sensors are engineered and tested to meet OE specifications. Standard Ignition is also a well-regarded name in engine management parts.
- Economy Brands: Global Parts, True Tech. While these are the most budget-friendly options, their quality can be inconsistent for sensitive electronics. They may be a viable short-term solution, but for long-term peace of mind, investing in a premium or reputable brand is often worth the small extra cost.
A Note on OEM vs. Aftermarket
The original MAP sensor on your Acadia Limited was made to GM's exact standards. High-quality aftermarket brands like Bosch and Delphi are often the same companies that supply GM, so their parts are typically equivalent in quality. The biggest risk comes from budget-tier, reverse-engineered parts that may not have the same durability or precision as the original.
Frequently Asked Questions
Can I replace the MAP sensor myself?
Yes. On the 2017 Acadia Limited's 3.6L V6, this is a very simple job for a DIYer. The sensor is located right on top of the engine and is held in by a single screw. The entire process should take less than 20 minutes.
🎬 See this quick walkthrough of the MAP sensor replacementWhere is the MAP sensor located?
The MAP sensor is on the top front of the engine, mounted directly to the plastic intake manifold. You may need to lift a small decorative engine cover to see it clearly. It is secured with one T-25 Torx screw.
🎬 Watch: Step-by-step guide to replacing the sensor on this engineAre there any recalls on the MAP sensor for this vehicle?
No, there are no specific recalls or common Technical Service Bulletins (TSBs) from GMC for the MAP sensor on the 2017 Acadia Limited. Any failure is typically due to the age and mileage of the component.
Can I just clean my MAP sensor?
While cleaning can sometimes solve issues with other sensors like the Mass Airflow (MAF) sensor, it is generally not recommended for a MAP sensor. The sensing element is very delicate and can be easily damaged by cleaning chemicals or physical contact. Given the low cost of a new part and the high success rate of replacement, it's best to install a new sensor.
Helpful Videos
Technical Specifications
OEM Part Numbers: 12650600 12591290 55573248 213-4681
The sensor is a 3-pin electronic component that mounts directly to the intake manifold with a single T-25 Torx screw and is sealed with an O-ring.
We Have This Part in Stock
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.
- GMC Acadia Limited: