How often should you change spark plugs on a Acura MDX?
The recommended spark plug replacement interval for an Acura MDX is typically every 60,000 to 100,000 miles, depending on driving conditions and the specific recommendations from Acura. Properly maintaining the spark plugs is important for ensuring optimal engine performance, fuel efficiency, and emissions in your Acura MDX.
Spark Plug Replacement Interval for Acura MDX
According to the Acura maintenance schedule, the spark plugs in an Acura MDX should be replaced every 60,000 to 100,000 miles, depending on the driving conditions. Acura recommends changing the spark plugs at the lower end of that range (60,000 miles) if the vehicle is driven in severe conditions, such as frequent towing, extensive idling, or operating in dusty or extremely hot environments.
The spark plugs are an essential component of the engine's ignition system, responsible for providing the timed electrical spark that ignites the air-fuel mixture in each cylinder. Over time, the spark plugs can become worn or fouled, which can lead to misfiring, reduced fuel efficiency, and increased emissions. Replacing the spark plugs at the recommended intervals helps ensure optimal engine performance and longevity.
Signs That Spark Plugs Need Replacement
In addition to following the recommended maintenance schedule, there are several signs that may indicate the need to replace the spark plugs in your Acura MDX, including:
- Rough idling or engine misfiring
- Decreased fuel efficiency
- Difficulty starting the engine
- Increased emissions or failed emissions test
- Noticeable loss of power or acceleration
If you notice any of these issues, it's a good idea to have the spark plugs inspected and replaced if necessary. Ignoring these warning signs can lead to further engine damage and more costly repairs down the line.
Spark Plug Replacement Process
Replacing the spark plugs in an Acura MDX is a relatively straightforward process that can be performed by a qualified mechanic or a DIY-inclined owner. The process typically involves the following steps:
- Locating and accessing the spark plugs, which are usually located on the top or side of the engine
- Disconnecting the spark plug wires or coils
- Removing the old spark plugs using a spark plug socket and ratchet
- Cleaning the spark plug wells and inspecting for any damage or debris
- Installing the new spark plugs, ensuring they are properly gapped according to Acura's specifications
- Reconnecting the spark plug wires or coils
- Resetting any necessary engine codes or settings
It's important to use the correct spark plug type and gap specified by Acura for your Acura MDX model to ensure optimal performance and engine health. Attempting to replace the spark plugs without the proper tools and knowledge can potentially cause damage, so it's generally recommended to have this service performed by a professional if you're not comfortable with the process.
How much does it cost to replace spark plugs in a Acura MDX?
The cost to replace the spark plugs on an Acura MDX typically ranges from $465 to over $970, depending on the model year. The lower end of the estimate is around $465 for newer models, while the higher end, closer to $970, is for older models like a 2013. The total cost is a combination of parts (spark plugs) and labor, with labor being the largest portion at a repair shop.
Estimated costs by model year
- 2020 Acura MDX: Estimated cost of $464.59 (shop/dealer prices range from $546.07 to $786.40).
- 2013 Acura MDX: Estimated cost of $558.32 (shop/dealer prices range from $665.45 to $972.67).
- 2003 Acura MDX: Estimated cost of $529.15 (shop/dealer prices range from $628.19 to $918.00).
Factors that influence cost
- Labor: This is a significant part of the total cost and is higher at a repair shop than if you perform the service yourself.
- Parts: The price of the spark plugs themselves can vary depending on the brand and type (e.g., iridium, platinum).
- Model Year: Older vehicles often have higher repair costs due to factors like more difficult access to parts and potentially different labor times.
When to replace spark plugs on Acura MDX?
every 30,000 miles
Experts generally recommend replacing spark plugs every 30,000 miles.
How long do Acura spark plugs last?
between 60,000 and 100,000 miles
So, how long do Acura spark plugs last? In most cases, between 60,000 and 100,000 miles, depending on the type of plug and your driving habits. But even if you're not close to that mileage, don't ignore the signs of failing spark plugs.
What year to stay away from Acura MDX?
You should generally avoid the 2001, 2003, 2004, 2010, and 2014 Acura MDX models due to recurring issues with their transmissions and other systems. Additionally, some 2016–2020 models with the 9-speed transmission had shift issues. Years to consider for better reliability are 2007–2009 and 2017 and later.
Years to avoid
- 2001, 2003, 2004: These years are frequently mentioned for transmission problems.
- 2010: This year is cited for transmission issues and potential oil burning problems.
- 2014: Cited for transmission problems and user-unfriendly infotainment systems.
- 2016–2020: Models from this range, especially those with the 9-speed transmission, can have shifting issues.
Years to consider
- 2007–2009: These are noted as being among the more reliable models in the second generation.
- 2017 and later: These models are generally considered more reliable, with improved technology and performance.
- 2022 and newer: The new generation is showing positive early reliability and has an improved 10-speed transmission.
