What is the fuel pump problem on the Acura MDX?
The Acura MDX, a popular luxury SUV, has been known to experience a recurring fuel pump problem that can cause significant issues for owners. This article provides a detailed overview of the fuel pump problem, its causes, and the steps you can take to address it.
What is the Fuel Pump Problem on the Acura MDX?
The fuel pump problem on the Acura MDX is a well-documented issue that has affected many owners of this vehicle. The fuel pump is responsible for delivering fuel from the fuel tank to the engine, and when it fails, it can cause a range of problems, including:
- Difficulty starting the vehicle: A faulty fuel pump can make it challenging to start the engine, as the engine may not be receiving the necessary fuel supply.
- Stalling or loss of power: If the fuel pump fails while the vehicle is in motion, it can cause the engine to stall or experience a sudden loss of power, which can be dangerous, especially at higher speeds.
- Reduced fuel efficiency: A malfunctioning fuel pump can also lead to decreased fuel efficiency, as the engine may not be receiving the optimal amount of fuel.
The fuel pump problem on the Acura MDX has been a recurring issue, with many owners reporting the problem occurring multiple times throughout the vehicle's lifespan.
Causes of the Fuel Pump Problem
The fuel pump problem on the Acura MDX is often attributed to a design flaw in the fuel pump itself. According to industry experts, the fuel pump used in the Acura MDX is prone to premature failure due to the high demands placed on it by the vehicle's engine and the harsh operating conditions it experiences.
Additionally, the fuel pump is located in the fuel tank, which can make it more difficult to access and replace, leading to higher repair costs for owners.
Addressing the Fuel Pump Problem
If you own an Acura MDX and are experiencing a fuel pump problem, there are a few steps you can take:
- Bring your vehicle to an authorized Acura dealer or a reputable mechanic: They will be able to diagnose the problem and recommend the best course of action, which may include replacing the fuel pump.
- Consider upgrading to a higher-quality fuel pump: Some owners have reported success in resolving the issue by replacing the original fuel pump with a higher-quality, aftermarket unit.
- Stay up-to-date on any recalls or technical service bulletins: Acura may have issued recalls or technical service bulletins related to the fuel pump problem, which could provide a solution or assistance with the repair costs.
By addressing the fuel pump problem promptly, you can help ensure the continued reliable performance of your Acura MDX and avoid the potentially dangerous consequences of a malfunctioning fuel pump.
What are the common symptoms of a failing fuel pump?
Signs of a failed fuel pump
- Car hiccups. If you press the accelerator and your car seems jerky, the fuel pump may be malfunctioning.
- Misfiring.
- Noise in the fuel tank.
- Engine sputtering at high speeds.
- Low fuel pressure.
- Inability to accelerate at times.
- Engine shutdown or failed start.
- Power loss under stress.
What is the fuel pump recall on MDX?
Yes, some 2018-2020 Acura MDX models are included in a large fuel pump recall that affects many Honda and Acura vehicles from 2017-2020. The defect, a low-density fuel pump impeller, can deform and cause the pump to fail, which can lead to engine stalling or an inability to start. Owners can check their specific vehicle's recall status using the NHTSA website or the Honda MyGarage website by entering their VIN.
This video explains a recent recall affecting Honda and Acura vehicles due to a fuel pump issue: 32sWQAD News 8YouTube · Dec 22, 2023
What to know about the recall
- Affected vehicles: The recall includes 2018, 2019, and 2020 Acura MDX models.
- The defect: An improperly manufactured fuel pump can fail, leading to a loss of engine power and a risk of stalling while driving.
- The fix: The fuel pump will be replaced for free by an authorized Acura dealer.
- How to check your vehicle:
- Use the VIN lookup tool on the NHTSA website.
- Visit the Honda MyGarage website and follow the instructions.
- Contact an Acura dealer directly.
- What to do if your vehicle is affected: Contact your local Acura dealer to schedule the free repair. You can also wait to receive a notification in the mail, though contacting the dealer is the most direct way to confirm if your specific vehicle is on the list and if parts are available.
How much does it cost to replace a fuel pump on a Acura MDX?
The cost to replace an Acura MDX fuel pump typically ranges from $800 to over $1,200, with parts and labor costs split roughly 50/50. You can expect to pay more for newer models or if you get the service done at a dealership. The exact price can vary based on your vehicle's year, the cost of the replacement pump, and labor rates in your area.
Cost breakdown
- Parts: A new fuel pump can cost from around $80 to over $180, depending on the brand and vehicle model.
- Labor: The labor cost is often significant because the fuel pump is located inside the fuel tank, which can be difficult to access. A mechanic may quote an hour or more for the job.
How to save money
- DIY: If you have the mechanical skills, you can save money by replacing the fuel pump yourself. You can find affordable fuel pumps online and watch tutorials on platforms like YouTube to guide you through the process.
- Shop around: Get estimates from multiple independent mechanics and dealerships to compare prices before committing to a repair.
What is the most common problem with Acura MDX?
Common Problems:
- Transmission failure: Early MDX models had issues with automatic transmission failure, leading to costly replacements.
- Steering rack issues: Some vehicles experienced steering rack and pump failure, which led to a loss of power steering.
