Why is my Check Engine Light On?

Why is My Check Engine Light On? 

If you’ve ever been driving and noticed your check engine light start to blink, you know it can be alarming. Let’s break down what it means when that light starts blinking and what it signifies when it shifts to a steady glow.



Understanding Your Check Engine Light: Blinking vs. Steady

Blinking Check Engine Light: What’s the Deal?

A blinking check engine light is a clear signal that something serious is happening under the hood. Most commonly, it indicates an engine misfire, which can lead to significant damage if left unchecked. If you see that blinking light, it’s crucial to take action immediately. Pull over safely and refrain from driving until the issue is resolved.

Steady Check Engine Light: Time to Take Action

When the blinking light transitions to a steady glow, it doesn’t mean the problem has disappeared. Instead, it suggests that while the issue may not be immediately critical, it’s still present and needs attention. This steady light often points to less urgent problems but can still affect your vehicle’s performance and fuel efficiency.

What The Check Engine Light on Could Mean:

  • Loose or Damaged Gas Cap: Common and easy to fix.
  • Oxygen Sensor Failure: Affects fuel efficiency and emissions.
  • Catalytic Converter Issues: Reduces harmful emissions; affects performance.
  • Mass Airflow Sensor Problems: Impacts fuel delivery and efficiency.
  • Spark Plug/Ignition Coil Issues: Can cause engine misfires and poor performance.
  • Faulty Engine Thermostat: Leads to overheating or inefficient heating.
  • Transmission Issues: Can indicate more complex problems.


    • In both scenarios, the best course of action is to have a professional diagnose the issue as soon as possible. Ignoring the check engine light can lead to more extensive—and expensive—repairs down the line. A qualified technician can pinpoint the problem and help you get your vehicle back in top shape.



    So, the next time your check engine light gives you a heads-up, don’t ignore it! Whether it’s blinking or steady, taking prompt action can save you time, money, and hassle. Call the professionals at My Auto Works or set up an appointment online:

    360-225-0304

    https://www.myautoworks.com/woodland#RequestAppointment


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