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 can't leave April behind without sharing CarMD's annual overview of check engine light-related car repair costs and trends. The list is published every April during Car Care Month. The latest CarMD ...

Whether you know a lot about cars or nothing about them, it's never fun to see the check-engine light—also known as a malfunction indicator light (MIL). This is your car trying to tell you it has ...

The 2023 CarMD Vehicle Health Index is an annual overview of check engine light-related car repair costs and trends. This year, researchers say that due to the shortage of new inventory, many lessees ...

The most frequent “check engine light” fix noted in a recent report is to replace the catalytic converter, which costs an average $1,313. It should come as no surprise to anyone who’s been paying ...

In my 35-plus years of driving and working on cars, I have encountered nearly every cause of engine failure, from bad habits that ruin the car engine to faulty oil pumps to ordinary mileage-related ...

A small device can cause big headaches for diesel owners, but there’s a quick and effective fix Rislone Helps Nix NOx Sensor ...