Hyundai Sonata: Emission Control System / Exhaust Emission Control System

Fuel Tank Air Filter Repair procedures

Replacement 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Lift the vehicle. 3. Remove the rear-left wheel & tire and house cover. 4. Disconnec ...

Description and Operation

Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components. Modifications to the combustion chamber, int ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Washer Fluid
Checking the Washer Fluid Level Check the fluid level in the washer fluid reservoir and add fluid if necessary. Plain water may be used if washer fluid is not available. However, use washer solvent with antifreeze characteristics in cold climates to prevent freezing. WARNING To prevent serious in ...

Hyundai Sonata LF 2014-2019 Service Manual: 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 ...