Spark plugs provide the spark that burns the fuel in your vehicle during the ignition process. They are screwed into the top of the engine’s cylinder head. The piston travels down this cylinder, drawing in a mixture of fuel and air, and then compressing it on the way up. When the piston is at its fullest reach, spark plugs deliver the spark that ignites the mixture of air and fuel in the combustion chamber. This forces the piston back down again, creating power for the vehicle. Changing spark plugs isn’t too hard, but as a general rule, it should be done every 30,000 miles. When you need replacement OEM Toyota Spark Plugs, shop our site.
- Prius Prime
- Yaris iA
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