A thermostat controls the coolant flow entering and leaving the engine, and the coolant temperature sensor records the coolant temperature by displaying it on the dashboard. With a malfunctioning ...

The manual transmission car is not as common as it once was, but there are still some on the road today. As part of the clutch pedal, there’s a throw-out bearing that can go bad. Because this vital ...

Oil often leaks from the drain plug or a damaged oil pan. It can also seep from the oil pan gasket, the valve cover gasket, or through the oil filter. Other common sources include a clogged crankcase ...

A charcoal canister, also known as the EVAP canister, is probably something you have heard about before, but you might never really have put a lot of effort into understanding what it is. It is not ...

Our top torque wrench pick is the GearWrench Micrometer. Check that its torque range and drive size suit the work you do, then compare the other options for different budgets and uses. There are ...

Have you ever been driving your car and seen white smoke coming from under the hood? This condition is scary and alarming, especially if you don’t know what is causing it. White smoke from the engine ...

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.

From Honda cars to GMC trucks, 4-wheel steering systems are being offered in cars, trucks and SUVs across the board. All-wheel steering isn’t something that’s new, but it seems to be more popular in ...

A faulty engine coolant temperature sensor can give the engine computer an incorrect temperature reading. Depending on the vehicle, this may cause hard starting, rich running, poor fuel economy, or ...

A flywheel looks like a simple part of your car, but it actually has many purposes, especially in more modern car models. If you suspect that your vehicle’s flywheel is wearing out, you need to ...

If there is water leaking or dripping under your car, it could be from the air conditioning system, which is normal. It might also be caused by rainwater that’s been run over or condensation from the ...

RPM changes while driving can be normal during shifts or when cruise control changes load. If the engine speed surges without a gear change, check for transmission slip, misfire, or a throttle or ...