Gasoline port fuel injection (PFI) is the most widely used powertrain system for spark ignition engines. This system, where fuel is injected at low pressure in the inlet air manifold, is a well proven, robust and simple technology.

ST offers a strong portfolio of advanced products including dedicated fully integrated circuits (U-chips) embedded Flash microcontrollers, coupled with an extensive standard product offering, to meet market demands for PFI engines electronic control.