My Mitsubishi Montero has had a fun year of hauling dogs and camping around New York’s Hudson Valley. Now that cold weather is here and snow is a reality soon, I’m pulling it off the road to give it a ...

Gasoline direct injection, or GDI, is one of the most crucial bits of technology in the modern internal combustion engine. In engines equipped with GDI, highly pressurized gasoline is sprayed directly ...

We may receive a commission on purchases made from links. Our cars depend on many individual mechanical parts and systems, as ...

We may receive a commission on purchases made from links. The throttle body is a vital component of a fuel-injected internal combustion engine. It has a pivoting butterfly valve or throttle plate to ...

The idle air control valve (IACV) is a device attached to the throttle body that helps keep the engine of a vehicle running without throttle input, such as when the car is idling in traffic or parked ...

Carbon buildup can cause a loss of engine performance, usually happening on high-mile engines that have plenty of sticky deposits after decades of running. A popular trick dating back to the hot ...