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 Owners Manual: SMART mode
SMART mode selects the proper driving mode among ECO, NORMAL, and SPORT by judging the driver's driving habits (i.e. mild or dynamic) from the brake pedal depression or the steering wheel operation. Press the DRIVE MODE button to activate SMART mode. When SMART mode is activated, the indicato ...

Hyundai Sonata LF 2014-2019 Owners Manual: Smart Key
Your HYUNDAI uses a Smart Key, which you can use to lock or unlock a door (and trunk) and even start the engine. 1. Door Lock 2. Door Unlock 3. Trunk Open 4. Panic Locking To lock : 1. Close all doors, engine hood and trunk. 2. Either press the door handle button or press the Door Lock button (1) ...