Turn your smartphone into a professional car diagnostic tool with a $15-30 OBD2 adapter and free apps that read engine codes ...

We've compiled a list of some of the best OBD2 diagnostic scanners describing their features, specifications, compatibility, and benefits. The automotive industry has a huge variety of OBD2 scanners ...

We earn commissions from purchases you make using links in our articles. Learn more. If your car or truck’s check engine light is on, there’s a stumble when accelerating, or if the transmission just ...

MORE CODES: To understand the problem with your vehicle you need the complete picture. With an up-to-date modern scan tool, you scan deeper to read, understand, and clear more codes. Access ...

Wheels: W.G. asks by email: “I am wanting to purchase a code reader so I can read and erase trouble codes that seem to occur often. I am not looking for an expensive one and I have seen several videos ...

You hear a new, disturbing noise coming from your engine, open the hood, look around, and find nothing. Now what? Before you reach for a conveniently-placed torque wrench to try the ol’ “love tap,” ...