Engine sensors measure conditions such as airflow, temperature, pressure, and shaft position so the control unit can manage the engine. Which sensors a car has depends on its design. There is no ...

A failing oxygen sensor may turn on the check-engine light, affect fuel economy, or contribute to rough running. These signs can also come from wiring, exhaust leaks, fuel, ignition, or other faults.

After replacing a water pump, thermostat, radiator, or hose, the cooling system may need to be refilled and bled. The tricky part is that vehicles do not all use the same procedure. Some have a bleed ...

A failing clock spring can turn on the airbag warning light and stop the steering-wheel horn or buttons from working. Because the part is inside the steering wheel near the airbag, have it tested and ...

When it comes to buying gas for your vehicle, you make a lot of decisions on autopilot. Oftentimes, you pick where to fill up based on where you are and what’s convenient. However, this thought ...

The 3M Headlight Lens Restoration Kit is our top choice for restoring cloudy headlights. Compare the steps and supplies in each kit, especially the finishing protection, to find one that matches the ...

Lucas Oil 10278 is our overall pick among oil stop leak additives. These products are intended for certain minor leaks, so compare the options and make sure an additive suits your situation before ...

For a quick, easy-to-read pressure check, our top pick is the AstroAI Digital Tire Pressure Gauge. We also compare other styles, so you can choose one that suits how often and where you check your ...

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.

If your car struggles to start in the morning or refuses to turn over after a quick grocery run, it’s probably time for a new car battery. Sure, you could grab the cheapest one off the shelf at a big ...

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 ...

As you head down the road, nothing can be more annoying than serpentine belt noise. This squealing belt sound is enough to stop you in your tracks, but it doesn’t need to bring an end to your journeys ...