How often should I replace spark plugs on my Lexus NX?
As a general rule, you should replace the spark plugs on your Lexus NX every 60,000 to 100,000 miles, or approximately every 5-10 years. However, the exact recommended replacement interval can vary depending on your driving conditions and the specific recommendations from Lexus.
Understanding Spark Plug Replacement for the Lexus NX
Spark plugs are a critical component in the engine of your Lexus NX, responsible for igniting the air-fuel mixture and powering the engine. Over time, spark plugs can become worn or fouled, leading to decreased engine performance, reduced fuel efficiency, and even engine misfiring.
The recommended spark plug replacement interval for the Lexus NX can vary depending on several factors:
- Driving Conditions: If you frequently drive in stop-and-go traffic, tow heavy loads, or operate your vehicle in extreme temperatures, your spark plugs may need to be replaced more often.
- Fuel Quality: Using lower-quality fuel can cause spark plugs to become fouled more quickly, requiring more frequent replacement.
- Engine Type: The specific engine in your Lexus NX may have different spark plug replacement recommendations from the manufacturer.
It's important to consult your Lexus NX owner's manual or speak with a certified Lexus technician to determine the exact recommended spark plug replacement interval for your vehicle.
Signs That Your Spark Plugs Need Replacement
Even if you're not due for a scheduled spark plug replacement, there are several signs that your spark plugs may need to be changed:
- Decreased Fuel Efficiency: Worn or fouled spark plugs can cause your engine to run less efficiently, leading to a noticeable drop in fuel economy.
- Engine Misfiring: If your engine is misfiring, it could be a sign that one or more of your spark plugs is not functioning properly.
- Rough Idling: Faulty spark plugs can cause your engine to idle roughly or unevenly.
- Difficulty Starting: Worn spark plugs can make it harder for your engine to start, especially in cold weather.
If you notice any of these symptoms, it's a good idea to have your spark plugs inspected and replaced as needed by a qualified Lexus technician.
How long do Lexus spark plugs last?
every 100,000 miles
General Guidelines for Spark Plug Replacement
Generally, for modern Lexus models equipped with iridium or titanium spark plugs, replacement is recommended every 100,000 miles. However, this can vary based on driving conditions, the specific model, and other factors.
What are the service intervals for a Lexus NX?
When To Get Lexus NX 350 Maintenance
- 6-Month/5,000-Mile Maintenance.
- 12-Month/10,000-Mile Maintenance.
- 18-Month/15,000-Mile Maintenance.
How much does it cost to replace spark plugs in a Lexus NX?
Labor costs are estimated between $88 and $111 while parts are typically priced around $164.