2007-01-09 07:20:47 · 3 answers · asked by yaser 1 in Cars & Transportation ➔ Maintenance & Repairs
EFI is electronic controlled injection. That means that a control unit sens a signal to the injector telling it to open and spray the fuel.
FI is a pressure controlled system. The fuel is sent to each cylinder through a fuel distributor,or an injection pump on diesel engines.
2007-01-09 07:41:08 · answer #1 · answered by uthockey32 6 · 2⤊ 0⤋
electronically fuel injected and fuel ejected
Today many engines are EFI with computers and older models are FI. FI is different than a carburetor because it directly shoots fuel into the cylinder compartment compared to are carb and an intake manifold and the venturi effect that fills the cylinder compartment with and are fuel mist of the muscle cars in the past. This coming from a teacher of sociology and oral communications that drops........
str_atKnowldge
2007-01-09 15:28:52 · answer #2 · answered by str_atKnowledge 2 · 0⤊ 0⤋
EFI = Electronic fuel injected
FI = fuel injected
not really any difference since all fuel injection systems are controlled electronically. however some cars are half FI and half carbourated. this is called electronic carbourated. hope this helps.
2007-01-09 15:26:09 · answer #3 · answered by Anonymous · 0⤊ 2⤋