You may be surprised, but most cars can go up to 100,000 miles before you need to change the spark plugs. The spark plug tips have a material that just does not break down so they don’t wear out. There may be other things such as an injection flush, throttle body service, fuel filter, and air filter that will need to be addressed before that 100,000 miles is reached, but you can go a long way before replacing the plugs. You should check your owners manual for the factory recommended time. Or ask your certified service center for more information.
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