Fuel injectors don't just deliver fuel. They meter it, shaping the spray so the air-fuel mixture burns in the way the engine wants it to. When deposits build up, injector fuel flow can decrease and ...

You've heard of mixture distribution problems relating to carburetors—different cylinders receiving different amounts of fuel. This is caused by many variables, including g-forces and poor manifold ...

Hello Paul, I have been advised to clean my fuel injectors because my car feels less responsive. What do fuel injectors do, and how does dirt or clogging affect engine performance and fuel economy?