Plug in, open an app, and your check-engine light finally talks back. Here’s what an OBD2 scanner really does, and five brands worth your money. OBD2 scanners diagnose car issues but can cause ...

We may receive a commission on purchases made from links. If you're a fan of diesel-powered trucks, chances are you've heard of Cummins engines. Although Cummins engines can be found in everything ...

When your vehicle's check engine light (CEL) comes on, it's often a sign that something needs attention. But with over 20,000 parts working together in your car — many important for normal operation — ...

Today’s cars and trucks are literally rolling test beds of technology, which has tended to make the days of the so-called shade tree mechanic and eyeball diagnoses of what ails a given model a distant ...

In order for our cars to carry us to and from our various destinations reliably, all the parts must work together smoothly. The fuel and air intake systems provide the ingredients necessary to power ...

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

A check engine light, even if the car runs fine, often indicates a leak in the evaporative emission control (EVAP) system. An arc welder might revive a dead battery by cleaning sulfated plates, but a ...

It’s the moment every car owner dreads, especially those of us who own older, out-of-warranty cars: The check engine light pops on. Keep a vehicle long enough, and it’s bound to happen. It happened to ...