Kia Niro: Engine Control System / Injector Description and operation

Description

The GDI injector is similar to a standard injector, but sprays fuel at a much higher pressure directly into the combustion chamber and has a swirl disc to get the fuel swirling as it exits the nozzle. This aids in atomization of the fuel.

The ECM controls both the feed circuits (high side) to feed voltage to the injectors and the ground circuits (low side) to energize the injectors. Also, the feed for 2 injectors comes from the same driver set. As the ignition coils are paired with cylinders (1-4 and 2-3), the injectors are also set up in pairs.

Injector Specifications
Specification Item Specification Coil Resistance (Ω) 1.425 - 1.575 [20°C(68°F)] ...

Injector Schematic diagrams
Circuit Diagram Harness Connector ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Specifications
Specifications Dual Clutch Transmission Transmission model D6KF1 Engine model Gasoline 1.6 Clutch Type Dry dual plate Transmission oil Capacity 1.6 - 1.7 L ...

Kia Niro 2017 (DE HEV) Service Manual: Cooling Fan Repair procedures
Removal    • Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instr ...

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