Check Engine Light

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What does the Check Engine Light do and why is it on?

The check engine light can come on for thousands of reasons, but with the help of a scanner such as the FIXD sensor, you can narrow it down to a hand full of reasons it’s on. The check engine light’s main purpose is to let you know that your vehicle is having a problem.

Common reasons for this to happen

  • Loose gas cap
  • Engine misfire
  • Faulty emissions components
  • Loose or disconnected electrical connectors

Can I drive with the Check Engine Light on?

Ultimately it depends on why it is on. If it’s driving abnormally, it’s best to have it towed to a repair facility. If it isn’t driving funny have the codes checked and decided based on which code you have. You can check out our blog for individual breakdowns of the reasons the check engine light is on.

How do I fix the check engine light?

  1. Find out what code it is on for 
  2. Have someone diagnosis the code or diagnosis it yourself
  3. Repair the reason it is on

Frequently Asked Questions

How do I find out why my check engine light is on?

  • You can take it to a repair facility or parts store to have them pull the codes with a scanner, or you can get your own scanner and pull the codes yourself. Check out the FIXD sensor for a quality built code scanner.

What does it mean when the check engine light flashes?

  • This means the engine is misfiring and should not be driven. If you continue to drive with the check engine light flashing, you could cause the catalytic converter to fail and need to be replaced.

How serious is the check engine light?

  • It depends on which code the check engine light is on for. It could be something as simple as a loose gas cap or something as serious as a misfire.

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  1. Good information, and now I have a better understanding of the signal

    1. That’s great to hear, Pat! 🙂

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