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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) (PHEV) >> DTC P0200-00: Injector Circuit Open >> General Description
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DTC P0200-00: Injector Circuit Open: General Description

The Gasoline Direct Injection (GDI) system injects high pressure fuel directly into the combustion chamber.

The high pressure injectors have an internal swirl disk which rotates with fuel flow to help atomize the discharging fuel.

This causes the fuel to evaporate rapidly, which reduces inlet air temperature.

This cooler atomized air/fuel inlet charge increases power output.