Hyundai Sonata LF: 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 it exits the nozzle...

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 from the low side (ground side) of the #1 injector and the bottom waveform is from the low side of the #4 injector...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Rear Wheel Speed Sensor Repair procedures

Removal 1. Raise the vehicle, and make sure it is securely supported. 2. Remove the wheel cap(A).     Be careful not to damage to the wheel cap(A) when removing the it. 3. Remove the front wheel and tire (A) from front hub...

Hyundai Sonata LF 2014-2019 Service Manual: Rear Door Module Repair procedures

Replacement 1. Remove the rear door window glass. (Refer to Rear Door - "Rear Door Window Glass") 2. Remove the rear door outside handle. (Refer to Rear Door - "Rear Door Outside Handle") 3. Loosen the rear door outside handle base mounting bolt (A)...