Barring electric vehicles, each and every vehicle needs some sort of combustible fuel. Until about four decades ago, almost every passenger car used a carburetor to handle its air and fuel needs.

The tip of the fuel-system spear, fuel injectors incorporate an electronically controlled valve and a nozzle that sprays fuel into each of an engine’s intake ports, or directly into its cylinders.

some older cars won’t, so look out for the aforementioned signs of backed-up injectors. You can’t usually see much of a fuel injector from the top of the engine, but here’s what one looks like.

An injection pump, usually driven by a belt or chain linked to the crankshaft, does this by supplying fuel under high pressure (15,000 pounds per square inch or more) to the injectors for each ...

initial field trials have been successfully completed on a Hydrogen Fuel Injection (HFI) system specifically for the Car & Light Truck aftermarket. With the increased concern about increasing fuel ...