How often should you service spark plugs Subaru?
Spark plugs are a critical component in the engine of a Subaru vehicle, and proper maintenance is essential for optimal performance and fuel efficiency. According to the manufacturer's recommendations, Subaru owners should service their spark plugs at regular intervals to ensure the engine is running at its best.
Recommended Spark Plug Service Interval for Subaru Vehicles
Subaru generally recommends replacing the spark plugs in their vehicles every 60,000 to 100,000 miles, depending on the specific model and engine type. This service interval is based on the expected lifespan of the spark plugs and the driving conditions the vehicle experiences.
- For Subaru models with a 2.5-liter or 3.6-liter engine, the recommended spark plug replacement interval is 60,000 miles.
- For Subaru models with a 2.0-liter or 2.4-liter engine, the recommended spark plug replacement interval is 100,000 miles.
It's important to note that these are general guidelines, and the actual service interval for your Subaru may vary based on factors such as driving conditions, towing, and engine modifications.
Signs That Spark Plugs Need Replacement
Even if you haven't reached the recommended service interval, there are some signs that may indicate your Subaru's spark plugs need to be replaced sooner:
- Decreased fuel efficiency
- Rough idling or engine misfiring
- Difficulty starting the engine
- Increased emissions or exhaust smoke
If you notice any of these issues, it's best to have your Subaru's spark plugs inspected and replaced as needed by a qualified mechanic.p>
Importance of Proper Spark Plug Maintenance
Regularly servicing your Subaru's spark plugs is crucial for maintaining the overall health and performance of the engine. Worn or faulty spark plugs can lead to a variety of problems, including reduced fuel efficiency, decreased power, and even engine damage over time. By following the manufacturer's recommended service intervals and addressing any issues promptly, you can help ensure your Subaru runs at its best for years to come.
How long do Subaru OEM spark plugs last?
Experts generally recommend replacing spark plugs every 30,000 miles for the best results. If one of your Subaru spark plugs gets out of whack, it can cause a reduction in gas mileage and engine problems later on.
What is the life expectancy of spark plugs?
On average, the life of classic spark plugs is not more than 30,000 miles, and that of platinum and iridium is not more than 55,000 miles. The following are signs of malfunction that indicate the need to replace the spark plug: Deposits of ash or oil, soot, varnish or slag, melted or discolored electrodes.
Is spark plug service necessary?
If they're not working properly, your car's performance (and fuel economy) will suffer. That's why it's important to replace your spark plugs at regular intervals. Depending on your car and driving habits, this interval can be 30,000 to 100,000 miles.
At what mileage do spark plugs go bad?
When To Replace Spark Plugs Quick Tips. Your owner's manual recommends when to replace spark plugs. Some require changing at 25,000 miles or less, some at 50,000 miles, and others at 100,000 miles. Reduced acceleration, engine misfires, and rough idling are symptoms indicating you might need new spark plugs.
What happens if I don't replace spark plugs?
When it happens, it can cause the engine to run rough and can even decrease fuel economy. In extreme cases, it can even cause engine damage. Fouling is another problem that can occur if you don't change your spark plugs. It happens when the spark plugs get covered in carbon deposits, oil, or fuel.
How to tell if spark plugs need changing?
Here are four signs that it's time to replace your vehicle's spark plugs.
- The check engine light is on.
- Your car doesn't accelerate well.
- You hear strange noises.
- You visit the gas station more often.
- Your car won't start.
- The owner's manual says so.
- Benefits of replacing old or worn spark plugs.
What are the signs of a bad spark plug?
What are the signs your Spark Plugs are failing?
- Engine has a rough idle. If your Spark Plugs are failing your engine will sound rough and jittery when running at idle.
- Trouble starting. Car won't start and you're late for work… Flat battery?
- Engine misfiring.
- Engine surging.
- High fuel consumption.
- Lack of acceleration.
How often should I change the spark plugs in my Subaru?
But they need to have the correct gap and be in the correct heat range to deliver optimal performance. When that happens, a typical spark plug could last 30,000 miles or more. Spark plugs seldom go bad right away - unless you drop them or break the insulator while installing them.
How do I know if my Subaru spark plugs are bad?
One of the first signs of spark plug wear is trouble starting your Subaru. If the engine cranks longer than usual before starting or if you experience intermittent starting issues, it's time to inspect your spark plugs.
