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How Often Should the Spark Plugs Be Replaced in the 10th Generation Accord?

3 Answers
LaMary
09/03/25 4:41am
Under normal maintenance conditions, the 10th generation Accord should have its spark plugs replaced every 40,000 to 60,000 kilometers. However, this may vary depending on the brand and engine type, so it is recommended to follow the owner's manual. The following standards can be used as a reference for maintenance and replacement: Platinum spark plugs should be replaced every 40,000 kilometers, standard nickel alloy spark plugs every 20,000 kilometers, and iridium spark plugs every 60,000 to 80,000 kilometers. Steps for replacing spark plugs: Open the hood, lift the plastic engine cover, remove the high-voltage ignition wires, and mark each cylinder's position to avoid confusion. Use a spark plug socket to remove the spark plugs one by one. While removing them, check for any external debris such as leaves or dust and ensure they are thoroughly cleaned. Insert the new spark plugs into the spark plug holes, hand-tighten them a few turns, and then use the socket to tighten them further. Reinstall the high-voltage ignition wires in the correct firing order, then reattach the cover.
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GeorgeLynn
09/15/25 6:13am
As an Accord owner, I must say the spark plug replacement interval mainly depends on your mileage and driving habits. The 10th-gen Accord typically uses long-life iridium spark plugs, with the official recommendation being around every 100,000 kilometers or 5 years, but don't follow it rigidly. I personally check mine every 80,000 kilometers, as worn spark plugs can cause engine vibration, sluggish acceleration, or increased fuel consumption - replace them when the driving feels off. If you do mostly short-distance driving with frequent starts, they'll wear out faster. Spark plug replacement is relatively simple maintenance; neglecting it may strain the ignition system and affect power output. I recommend regular maintenance checks - consult your manual or visit a service center, safety first.
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Diaz
10/29/25 6:52am
I've been driving my Accord for several years, and spark plugs are quite crucial. I remember the manual suggests inspecting and replacing them every 100,000 kilometers or so, but I make it a habit to have a mechanic check them every 60,000 kilometers. After all, prolonged idling or frequent traffic jams can accelerate carbon buildup on the spark plugs. If you notice difficulty starting the engine or a drop in power, it's time for a replacement. After installing new ones, the car immediately feels rejuvenated—more fuel-efficient and stable. Isn't that better than trying to save a few bucks? Regular maintenance with high-quality engine oil and avoiding overloading can extend the lifespan of your spark plugs. Keeping up with these habits ensures your car runs longer and keeps you in good spirits.
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