How often should you change sparkplugs?

Updated: 4/28/2022
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13y ago

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It depends on what type of vehicle you own, mileage and year of vehicle. Usually its 10 years or 100k miles, whichever comes first. Easiest way to know is contact your dealer, notify them of your current mileage and ask if a tune up is due. REMEMBER; if applicable also replace your spark plug wires and distributor cap w/ rotor when doing a tune up!!! if you only change your plug you are simply changing the spark, not the current nor the distributing power.

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Q: How often should you change sparkplugs?
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How often should you change your sparkplugs?

Sparkplugs should be changed at regular intervals, it will usually state how often in the service manual and most garages will do it during a service regardless. It is no harm and often a good idea to check the sparkplugs yourself as the condition of the sparkplus can hint at other problems in an engine. See the following website for more details Depending on the engine it can be a relatively straightforward task or an agonizing ordeal.

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