The OBDMONSTER BM550 is our top battery tester pick for home use. It handles several battery types and can also check the starting and charging systems; compare the other models if you need shop ...

Oil leaks are one of those problems that most car owners face sooner or later. No matter how well you maintain your vehicle, leaks can develop over time as seals and gaskets start to wear out. It’s a ...

Chevron Techron D Concentrate is our top diesel injector cleaner pick. Check that a cleaner is made for your fuel system and follow its dosage instructions; compare the other products if you’re ...

Our top electric garage heater pick is the Heat Storm HS-1500 Wi-Fi Infrared. Compare the heater’s output and controls with the other options, and make sure the model suits your garage and available ...

The K&N Cold Air Intake Kit is our top pick in this guide. Since this is a universal kit, check fitment and installation requirements carefully, then compare it with vehicle-specific options before ...

The Kobalt Portable Air Compressor is our top tire inflator pick. If you’re choosing one for your car, compare its size and power source with the other inflators, and consider how often you’ll use it.

The most common causes of why a radiator fan is not working are a blown fuse, a bad relay, or a broken wire. It can also be caused by a faulty coolant temp sensor, low coolant level or the fan itself ...

Most often, the fluid is leaking from the transmission pan gasket or the drain plug. However, it can also come from a cracked or rusty transmission pan, hardened seals, damaged cooling lines or a ...

The most common cause of rough idle is a vacuum leak or a failed PCV valve. It could also be caused by other air-fuel mixture related issues like bad fuel injectors, EGR valves, or low compression. In ...

P0128 is a generic powertrain code that means the engine control module (ECM) detected that the motor hadn’t reached its required operating temperature within the required timeframe set by the ...

Some cars let you program a key fob yourself, but the steps vary by make and model. A common method is to replace the fob battery, sit in the car with the doors closed, then cycle the ignition between ...

When the check engine light comes on, it always grabs your attention. It’s designed to alert you that something isn’t right under the hood, but that doesn’t always mean it’s time to panic. Some causes ...