An OBD-II scanner can do much more than read check-engine codes. These five features can help you diagnose problems faster ...

Changing the oil is the most common maintenance you'll have to do on your car, but what happens when the check engine light ...

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 ...

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 — ...

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 is off. After months of frustration, a new oil pump has apparently, and finally, cured the problem that had kept the light lit on Corey Morris’s new $75,000 Chevy Suburban SUV ...

It glows on your car’s dashboard and instantly ignites terror and loathing in the hearts and wallets of drivers; the dreaded “Check Engine” warning light. For ...

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 ...

If the check engine light is illuminated on your 2023 or 2024 GMC Canyon or 2024 GMC Sierra 1500 pickup truck, GM has discovered a loose wiring connection that may be the culprit, rather than a more ...