How often should you change spark plugs Subaru?

Spark Plug Replacement Interval for Subaru
Modern SUBARU BOXER engines require improved spark plugs made with materials like platinum. This means that the spark plugs in a Subaru generally need to be changed every 60,000 miles or so. However, it’s important to note that every engine and spark plug may differ, so it’s advisable to consult with knowledgeable service advisors for a spark plug replacement interval that best suits the specific needs of your vehicle.
It’s worth mentioning that the OEM spark plugs for Subaru are NGK Iridium spark plugs, with a recommended change interval of 60,000 miles. This recommendation may seem conservative compared to other Japanese cars using NGK Iridiums, which often have a change interval of 100-120K miles. However, it’s essential to adhere to the manufacturer’s recommendations for optimal engine performance and longevity.
In summary, for Subaru vehicles, the general recommendation is to change the spark plugs every 60,000 miles. However, individual variations and specific vehicle needs should be considered, and consulting with knowledgeable service advisors is advisable for personalized recommendations.

At what mileage should you change your spark plugs?

every 30,000 miles
It is typically recommended that drivers have their vehicle’s spark plugs replaced once every 30,000 miles, but there are extended range spark plugs that can last up to 100,000 miles.

How long do spark plugs last in a Subaru?

How Often Should You Have the Spark Plugs in Your Subaru Changed? Modern SUBARU BOXER® engines require improved spark plugs made with material like platinum. This means you’ll only have to worry about changing them every 60,000 miles or so.

What happens if you don’t change spark plugs?

The deposits that build up on the plugs can eventually cause them to misfire. When this happens, the unburned fuel in the cylinders can start to eat away at the cylinder walls. This can cause dangerous pressure levels to build up, and it can even lead to engine failure.

Is it hard to replace spark plugs on Subaru?

Last night when I changed them I realized how to do it. 2 screws take your windshield washer fluid reservoir off on the drivers side, one bolt takes the air box off on the passenger side. From there it’s a straight shot to pull the plugs, no joints needed. Plugs changed in 15 minutes, hood open to close.

What are symptoms of a bad spark plug?

What Are the Symptoms of Bad Spark Plugs?

• The Car Has Trouble Starting. Image via Flickr by Kevin Reese.
• The Engine Idles.
• The Car Fights to Accelerate.
• The Engine is Very Loud.
• The Engine Misfires.
• The Vehicle gets Poor Fuel Economy.
• The “Check Engine” Light is On.

Should I replace spark plugs every 5 years?

One of the questions our service team is often asked is, “When do I change spark plugs?” It varies based on your car, but experts generally suggest replacing them every five years or 30,000 miles or so.

How long do OEM spark plugs last?

When To Replace Spark Plugs Quick Tips. Your owner’s manual recommends when to replace spark plugs. Some require changing at 18,000 miles, some at 35,000 miles, and others at 100,000 miles. Reduced acceleration, engine misfires, and rough idling are symptoms indicating you might need new spark plugs.

How do I know if my spark plugs are still good?

Remove and compare your old spark plugs to a new one. If the tip and/or electrode show excessive wear they should be replaced. Also, look for fuel and oil contamination. If contamination is found, the spark plugs should be replaced.

Why are Subaru spark plugs so expensive?

Because of the cost of iridium, the electrode is thinner, but they still deliver better power, better combustion and longer life than other plugs.

How long do Subaru Outback spark plugs last?

60,000 Miles
60,000 Miles or 60 Months
Replace the spark plugs.