804-798-5922

How Your Check Engine Light Works

Have you ever had an experience like this in Ashland Virginia? You drive through the one of those automatic car washes. When you get to the end, where the dryer is blowing, your check engine light started flashing! You fear the worst, but within a block or two, the light stopped flashing, but stayed on. By the next day, the light was off. You wonder; “What was going on?” Well, it’s actually a good lesson in how the Check Engine light works. Your air intake system has a sensor that measures how much air is coming through it. When you went under the high-speed dryer, all that air was blasting past the sensor. Your engine computer was saying, there shouldn’t be that much air when the engine is just idling. Something’s wrong. Whatever’s wrong could cause some serious engine damage. Warning, warning! It flashes…

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auto shop repair
  • Duffy’s Repair Service

    9974 Lickinghole Road
    Ashland, VA 23005

  • Phone: 804-798-5922

  • Feel free to call or email us to schedule your next appointment.

    Business Hours

    Monday - Friday
    7:00AM - 5:30PM

    Saturday - Sunday
    Closed

  • CONTACT US