* VVTi stands for Variable Valve Timing with intelligence.
* It is a technology that allows the engine to control the timing of the intake and exhaust valves.
* This allows the engine to optimize its performance for different driving conditions.
* VVTi engines can improve fuel efficiency, power, and torque.
EFI engine
* EFI stands for Electronic Fuel Injection.
* It is a technology that uses an electronic control unit to control the amount of fuel that is injected into the engine.
* This allows the engine to run more efficiently and smoothly.
* EFI engines can also reduce emissions.
Key differences
* VVTi engines control the timing of the valves, while EFI engines control the amount of fuel that is injected.
* VVTi engines can improve fuel efficiency, power, and torque, while EFI engines can improve fuel efficiency and smoothness.
* VVTi engines are more complex than EFI engines, and they can be more expensive to repair.
