If you own a car, you need an OBD2 scanner. The most basic function of these devices is to tap into your vehicle’s onboard diagnostics system to read and clear engine trouble codes. But then ...

Tested: Best OBD-II Scanners for 2023 Did your vehicle's Check Engine light just pop on? An OBD-II scanner can point you in the right direction.

We've compiled a list of some of the best OBD2 diagnostic scanners describing their features, specifications, compatibility, and benefits.

Did your vehicle's Check Engine light just pop on? An OBD-II scanner can provide some direction. We tested 11 of them to find the best for different situations.

A code reader for your car can mean the difference between dropping everything and heading for the mechanic and letting that warning light ride a little bit.

If you, like me, are a hobbyist with an older car whose “Check Engine” light always seems to be on for one reason or another, the Uten UT850 is a great tool for troubleshooting.

Does a check-engine light really mean something is wrong with your engine? An OBD2 scanner can tell you. What you should do if your idiot light comes on.