Why Does My Check Engine Light Go Off Sometimes?

Why Does My Check Engine Light Go Off Sometimes? There are times where a car's check engine light will come on, and then go off, for seemingly no reason. Well there are a series of tests that your car runs to do it's checks. The amount of Pass or Fail will decide if the light needs to be on or off.

What does a "Check Engine Light Mean"? ~ https://youtu.be/0FvrDmK6VHI

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Видео Why Does My Check Engine Light Go Off Sometimes? канала HumbleMechanic