Changing a spark plug on a Toyota vehicle here on Long Island, NY.

When Is the Last Time You Had Your Spark Plugs Changed?

Posted at Fri, Sep 13, 2019 11:45 AM

Considering that spark plugs are pivotal when it comes to your car’s engine, it’s pretty important to be able to know when it’s the right time to change them. They are responsible for a number of different things, including mileage and acceleration and if you want your Toyota’s engine to perform as it should, spark plugs need proper care. There are a few tell-tale signs that the spark plugs need some attention, as well as some standard rules to go by when it’s time to replace them, so keep reading because in this article our knowledgeable Westbury Toyota staff has addressed them all.

Check Your Vehicle’s Owner Manual

The best and most accurate way to know when it’s time to change the spark plugs is to check the owner’s manual where you will find the recommended replacement intervals. Typically spark plug replacement is recommended every 30,000 miles. If you don’t have access to your manual, you can always ask a technician the next time your car is booked in at Westbury Toyota for maintenance. Our team can let you know if your spark plugs need replacing now, soon, or if they are still going to last a while.

There are some other factors to keep in mind when it comes to how often spark plugs need replacing, including:

  • Long life spark plugs – These spark plugs are designed to last longer than most as they have electrodes that are more durable. If you want plugs that will endure for longer, look for the ones made of platinum or iridium, says Valerie Johnston of Your Mechanic.
  • Oil leakage – An oil leak in the engine will likely mean that the spark plugs will need to be changed more frequently due to the subsequent contamination.
  • High performance – High performance spark plugs may need replacing more often than other types of spark plugs.
  • Driving style – If you’re the kind of driver that likes to drive your car with “high revs,” you’ll be putting additional strain on your spark plugs, which will probably lead to them wearing out faster than usual.

Is Your Check Engine Light On?

The check engine light is a possible indicator of a couple of issues, including worn spark plugs. As the experts of the Firestone Auto Care Blog explain, failing spark plugs or worn spark plug wires can lead to a misfiring engine. When this happens, the check engine light will come on. It’s always a good idea to examine the spark plugs when the check engine light is on to see if they’re showing obvious signs of wear and tear or, if you aren’t mechanically savvy, book your Toyota in with one of our experts. Getting things examined as quickly as possible can save you money in the long run, as driving with a misfiring engine has the potential to lead to costly repairs.

Is Your Vehicle Difficult to Start?

Spark plugs provide the spark to start the engine, so often when a vehicle is difficult to start it’s a sign that the spark plugs need some attention. If you find that the vehicle stalls out when you’re trying to start it, it’s likely connected to either the spark plugs or the spark plug wires.

Does the Engine Roughly Idle?

A roughly idling engine is yet another indicator that the spark plugs are on their way out. The ideal engine sound is a smooth one, so if your Toyota’s engine is making an uneven knocking or rattling noise, it might be time to change the plugs.

Is Acceleration Sluggish?

Another tell-tale sign of a spark plug issue comes in the form of the vehicle losing responsiveness in regard to acceleration. If it’s taking considerably longer to get your car up to speed while driving, you’re going to want to take a look at the plugs to see if they or their wires are worn and in need of a change.

Keep Up with Spark Plug Replacement Intervals

As you can see, the spark plugs are a very crucial part of having a vehicle that runs smoothly. What’s more, ensuring that they’re changed when they need to be changed can eliminate unnecessary stress being put on your car. Check the manual to see what the recommended change interval is and, in the event that you don’t have access to the manual, pay attention to what your vehicle is doing in order to catch the warning signs. If it’s time for a spark plug replacement, book your car in with a technician as soon as possible to keep everything running nice and smooth.

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