My Check Engine Light Went On — What Now?

June 21st, 2018 by

2018 Mazda3 Dashboard

Say you’re taking a trip from Lincolnton to Kings Mountain and the dreaded “check engine” light in your instrument cluster lights up. Your stomach might turn at the thought, but don’t panic! The check engine light can signify plenty of minor issues, not just major problems.

So, let’s do some troubleshooting. And if you’re still stumped afterward, don’t hesitate to bring your car into Momentum Mazda’s service department so we can get to the bottom of it.

Why Did My Check Engine Light Turn On?

Some of the most common reasons that your check engine light might be on include:

Reason What Could Happen if You Don’t Get Service
Oxygen sensor replacement warning
  • Decreased efficiency
  • Damage to the spark plugs and/or catalytic converter
Loose, damaged, or no gas cap
  • Decreased efficiency
Airflow sensor replacement warning
  • Will fail emissions test
  • Decreased performance and efficiency
Catalytic converter replacement warning
  • Damage to parts such as the catalytic converter, oxygen sensors, spark plugs, etc.
  • Decreased performance and efficiency
Spark plug replacement warning
  • Decreased performance and efficiency
  • Damage to parts such as plugs, catalytic converter, oxygen sensors, ignition coils, etc.

How Can I Troubleshoot the Check Engine Light?

Even something as simple and easy as not tightening your gas cap enough can cause the check engine light to turn on, so that should be the first thing you check on. If you’ve got some car repair experience, you might try replacing individual parts if the problem persists, but it will likely be a timesaver to bring your vehicle into a professional.

Make the Trip From Shelby to Get Help at Momentum Mazda

Fortunately, the factory-trained experts at Momentum Mazda can diagnose and repair whatever is causing your check engine light to cry for help. Schedule an appointment today, or just visit us during our regular hours.


Our Service Specials

Value Line Front Brake Special
$129.00

Remove OEM pads, replace Front Value Line brake pads, inspect front and rear brake system, add brake fluid, with lifetime limited warranty on Value Line Brake Pads.

Not all vehicles will qualify. See dealer for details.

DIY Mazda Parts & Accessories
15% OFF

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Posted in Maintenance, Service