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.

The check engine light is your car’s way of alerting you that something's amiss — but it could be as minor as a loose gas cap, or more serious, like a faulty oxygen sensor. Repair costs for ...

What Does Code P0442 Mean? Engine code P0442 means a small leakage in the evaporative emission control system. It is not a critical problem, but it could be annoying and cause something more serious.

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.

Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change.

CarMD.com, a provider of automotive diagnostic data, reported 675 different possible reasons for a check engine light to come on.

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.

Whether it's just from a routine scan or a result of a check engine light, discovering a P0171 could lead to various problems that have varying costs.