While carbon buildup happens on essentially all engines, gasoline, diesel, N/A, or boosted, it's an increased concern in GDI engines. Standard Electronic Fuel Injection features injectors higher in ...

We earn commissions from purchases you make using links in our articles. Learn more. Despite recent advancements in environmentally conscious electrified vehicles, most of the cars and trucks we drive ...

Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...

Engineers have tinkered with the design of the internal combustion engine to produce one that is significantly cheaper and cleaner than the standard model. Governments and advocates have called for a ...

The other day I dropped my car off at a European specialist shop, and while I was there, a technician was working in the engine bay of a Mk7 Golf R, cleaning out carbon deposits off the intake valves.