•  The direct fuel injection system consists of a high pressure fuel pump, fuel injectors and a relief valve.

•  Fuel is injected during the intake process and diffused uniformly in the combustion chamber by the flow of intake air.

•  Fuel injection timing is explained in CONTROL SYSTEM, FUEL INJECTION CONTROL. (See FUEL INJECTION CONTROL OPERATION [MZR 2.0 DISI i-stop].)