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

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.

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.

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 ...

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.

For example, current products diagnose generic trouble codes — but Voyo can read manufacturer specific codes that are typically only diagnosed via the OBD-II port at a repair shop or dealer.

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.