It happens at the worst time - stuck in traffic or a long road trip - when you see that check engine light flick on. Here's why it may keep returning.

Among issues that cause the check engine light on a vehicle’s instrument panel to illuminate, the most common repair drivers encountered last year was to replace the catalytic converter at an ...

CarMD’s latest study looks at the most common check-engine light repairs and their average costs over the previous calendar year, then ranks the results.

"The check engine light is designed to come on when a vehicle's on-board diagnostic system sees a problem that impacts emissions or drivetrain issues," said David Rich, CarMD technical vice president.

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

Article continues below this ad The following is a breakdown of the 10 most common check engine light-related repairs in 2023 and the average cost (including parts and labor) to make that repair: ...

Is your Check Engine light staring you in the face? That bright orange warning serves as a beacon that something is wrong. Problem is, it doesn't convey anything more than that. For years, the ...

A check-engine light could be a gentle reminder or a sign of something catastrophic. We explain what a malfunction indicator light is and what you can do about it.

The problems tied to these repairs can manifest in different ways, with one of the most common being the illumination of the check engine light.

Five top common problems found to trigger the check engine light in 2016, according to the index, were a faulty oxygen sensor, catalytic converter, ignition coil and spark plug issue, loose or ...

Your check engine light can come on for a lot of different reasons, but there are only a few that occur after putting in gas. Here's what we know.

What Will It Cost to Fix the Problem Indicated by the Check Engine Light? CarMD lists the 10 most common check engine light-related repairs and the average cost to repair them (including parts and ...