A quick way to precisely diagnose myriad automotive problems-or at the very least get a rough idea of what might be wrong-is to use an automotive scan tool. Here's what these pint-sized computers ...

A restriction of 8-10 percent on a single fuel injector can be enough to cause a misfire. When this occurs, unburnt oxygen enters the exhaust and makes the O2 sensor read lean.

Using an onboard diagnostic (OBD-II) scan tool will give you an extra way to find and fix problems while feeling like a professional mechanic at the same time. When to Use a Diagnostic Tool ...

Your vehicle's computer contains a wealth of information that it gathers from sensor on almost every system. It used to be that only shops had access to that information, but that's not ...

While I was recently playing around with my Innova 7111 scan tool, a neighbor asked me to look at a car she was considering buying. The car looked good, fairly low miles, and no check engine light.

If you want to diagnose the electronic faults of your vehicle, you must get an OBD2 scan tool. If you have a Volkswagen or an Audi, things get easier ...

A quick way to precisely diagnose myriad automotive problems—or at the very least get a rough idea of what might be wrong—is to use an automotive scan tool.