A quick trip to your local parts store could tell you why that warning light is on—and it might not cost you anything.

The check engine light has always been a bit of a gamble. Sometimes it’s a loose gas cap. Other times, it’s a four-figure reminder that modern cars are way more complex than they need to be. What’s ...

When the check engine light comes on in a vehicle, it’s indicating that there is some issue with the car that should be checked out. It could be something minor, such as the gas cap not being screwed ...

You’re going to pay more per year for car maintenance if you live in a western state, and the cheapest states for repairs related to a “Check Engine” light are Michigan and Indiana. That’s according ...

U.S. drivers are facing record-high check engine repair costs driven largely by aging vehicles. The most common repair — replacing a catalytic converter — can cost more than $1,300. Average vehicle ...

Mechanics say these are the car repairs drivers ignore most often, and why waiting almost always costs more in the end.

Ignoring a check engine light might feel harmless if the car still runs smoothly, but the warning signals more than a minor inconvenience. Driving with that light on can lead to higher repair costs, ...

When your vehicle's check engine light (CEL) comes on, it's often a sign that something needs attention. But with over 20,000 parts working together in your car — many important for normal operation — ...

We may receive a commission on purchases made from links. The check engine light is one of those dashboard warning lights drivers dread to see suddenly come on in the middle of driving. First-time car ...

MADISON, WI, JUNE 9, 2026 — Capitol Tire & Service, a full-service auto repair shop serving drivers throughout Madison and surrounding Wisconsin communities, has released new educational guidance ...