CarMD, an automotive telematics company, published a list of the most common check engine codes in 2020, along with their estimated cost of repair.

CarMD, an automotive telematics company, published a list of the most common check engine codes in 2020, along with their estimated cost of repair.

If your vehicle is throwing a check engine light, but you don't have a diagnostic scanner handy, here are three tricks to try before seeing a mechanic.

We’re featuring a list of the most common maladies and their average costs to repair them below, along with the most expensive check-engine fixes, as noted in CarMD.com’s annual Vehicle Health ...

In 2018 the two most common check engine repair codes were "replace ignition coil (s) and spark plug (s)" and "replace oxygen sensor" — each accounting for 5.8 percent of repairs.

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.