Hyundai Sonata: Engine Control System / Injector Specifications

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 i ...

Injector Troubleshooting

Signal Waveform The three waveforms below are taken from the #1 and #4 injectors. The top waveform is from the high side (feed side) of the #1 and #4 injectors, while the middle waveform is fro ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
Adjustment Glass Adjustment     • Check the glass run channel for damage or deterioration, and replace them if necessary. 1. Remove the rear door trim. (Refer to Rear Door - "Rear Door Trim") 2. Remove the rear door window glass mounting hole plug (A). 3. ...

Hyundai Sonata LF 2014-2019 Service Manual: Water pump Repair procedures
Removal 1. Loosen the drain plug (A), and drain the engine coolant. Remove the radiator cap to drain with speed.     System is under high pressure when the engine is hot.To avoid danger of releasing scalding engine coolant, remove the cap only when the engine is cool. ...