Learn what that pesky dashboard light means before heading to the shop, and maybe save some cash in the process.

With this Bluetooth OBD automotive scanner, the DIY-inclined can take a deep dive into their vehicle's control systems.

Diagnose auto troubles and check and reset warning lights with some of the best OBD-II scanners on the market. Many of these ...

The alternative: give your car a check up yourself with the CarMD. To run a diagnostic on your car, this handy handheld devise plugs into the 16-pin Data Link Connector (DLC) found on the driver ...

To see if you have a leak, you can take your car to the auto shop for a pressure diagnostic and leak evaluation, costing around $80 – $150. It’s wise to have professionals refill the system ...

Your car having a Quirk is a lot like a person being sick. If you want it gone, you'll need to diagnose and fix it. Quirks ...

Your air conditioning system is really part of a larger system, known as the HVAC (heating, ventilation and air-conditioning) system. Your A/C system includes a condensor, evaporator and the cabin ...

Coolant, technically called engine coolant, is the liquid that circulates through your engine and radiator to maintain the desired operating temperature. Often mistakenly called antifreeze ...