My Check Engine Light Went On — What Now?

June 21st, 2018 by

2018 Mazda3 Dashboard

Say you’re taking a trip from Gastonia 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 Mazda of Gastonia’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 Mazda of Gastonia

Fortunately, the factory-trained experts at Mazda of Gastonia 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
Complimentary Multi-PointInspection! Plus...
10% Off

Our Multi-Point Inspection provides you
with a comprehensive review of your
Mazda’s most crucial components. PLUS,
save on any recommended repairs.
*Max. discount $100; not valid on tires

Plus applicable taxes. Valid only at Mazda of Gastonia. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Coupon expires 07/07/2020

EXPIRES: 07/07/2020
Mazda Service Savings
10% Off

We value your business. Use this coupon
to save on any service or repair:
$10.00 off service $50.00 to $99.99
$20.00 off service $100.00 to $199.99
$40.00 off service $200.00 or more

Plus applicable taxes. Valid only at Mazda of Gastonia. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Coupon expires 07/07/2020

EXPIRES: 07/07/2020
Mazda Service Special
Standard Oil
$55.95
Synthetic Oil
$75.95

– Replace engine oil and filter
– Rotate and inspect tires, brake wear
– Check and top off all fluid levels
– Check and adjust tire pressure
– Check exhaust system
– Check constant velocity (CV) boots
– Complete a multi-point inspection
*Synthetic oil extra/Up to 5 Quarts

Plus applicable taxes. Valid only at Mazda of Gastonia. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Coupon expires 07/07/2020

EXPIRES: 07/07/2020
Five Reasons...

Why we are the easy choice: convenient
hours, competitive prices, Mazda-trained
technicians, Factory Techline and
Genuine Mazda Parts. Why trust anyone
else?

Plus applicable taxes. Valid only at Mazda of Gastonia. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Coupon expires 07/07/2020

EXPIRES: 07/07/2020
Accessorize Your Mazda
20% Off

Customize your Mazda to reflect your personal style and save 20% Off on all Genuine Mazda Accessories. Don’t forget to take advantage of our professional installation services!

Plus applicable taxes. Valid only at Mazda of Gastonia. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Coupon expires 07/07/2020

EXPIRES: 07/07/2020
Oil Change Plus
Standard Oil
$19.95
Synthetic Oil
$39.95

Get more value for your money! Our professional Mazda-trained technicians will:
· Change motor oil per specifications
· Install a Genuine Mazda oil filter
· Top off vital fluids
· Complete a multi-point inspection
*Synthetic oil extra/Up to 5 Quarts

Plus applicable taxes. Valid only at Mazda of Gastonia. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Coupon expires 07/07/2020

EXPIRES: 07/07/2020
4-Wheel Alignment Special
$59.95

Poorly aligned wheels wear out tires prematurely and reduce gas mileage. Service includes:
· Inspect/adjust caster, camber and toe-in as applicable
· Inspect suspension and steering linkage
· Check tire wear
· Check tire pressure, adjust as necessary
· Computerized alignment
· Road test

Plus applicable taxes. Valid only at Mazda of Gastonia. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Coupon expires 07/07/2020

EXPIRES: 07/07/2020
Front or RearBrake Special
$10.00 Off

Use this coupon to receive a special
discount on the brake service you need.
*Lifetime Ltd. Warranty on all Genuine
Mazda & Value Products by Mazda Brake
Pads & Shoes. Call for details.

Plus applicable taxes. Valid only at Mazda of Gastonia. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Coupon expires 07/07/2020

EXPIRES: 07/07/2020

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