My Check Engine Light Went On—Now What?

May 5th, 2018 by

My Check Engine Light

You’re driving along in Alpharetta minding your own business when the “check engine light” in your gauge cluster goes off. Before you do anything else, it’s important to follow some simple first rules:

  1. Stop driving.
  2. Don’t panic.
  3. Read this guide.

Find out what your check engine light could be telling you along with some troubleshooting you can do before bringing your vehicle into Beaver Toyota of Cumming’s service department for help.

Why Your Check Engine Light Might Be On

There are a number of common reasons that you might have your check engine light on, including:

 

Reason What Could Happen if You Don’t Get Service
Oxygen sensor replacement warning
  • Lower fuel economy
  • Spark plug and catalytic converter damage
Loose, damaged, or no gas cap
  • Lower fuel economy
Airflow sensor replacement warning
  • Won’t pass emission test
  • Worse performance and efficiency
Catalytic converter replacement warning
  • Damage to catalytic converter, oxygen sensors, spark plugs, etc.
  • Worse performance and efficiency
Spark plug replacement warning
  • Worse performance and efficiency
  • Damage to plugs, catalytic converter, oxygen sensors, ignition coils

 

What You Can Do to Troubleshoot

One of the most common reasons the check engine light comes on is a failure to tighten the gas cap well enough, so that’s the first thing you should check. If you’re a good DIY handyperson, then you might be able to take care of some of the other parts replacements, but otherwise it’s a good idea to bring it to a pro.

Bring Your Car in For Service Near Johns Creek

It your check engine light has turned on recently, bring your car in for service at Beaver Toyota of Cumming, where we have a full team of factory-trained and certified Toyota technicians who can run diagnostics tests, handle repairs, and get your car running again in no time.

Schedule your service online, or simply contact our service center.

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