Hyundai Sonata: Evaporative Emission Control System / Fuel Filler Cap Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Emission Control System / Evaporative Emission Control System / Fuel Filler Cap Description and Operation

Description

A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which would seal the fuel filler. After the gasket on the fuel filler cap and the filler neck flange contact each other, the ratchet produces a loud clicking noise indicating the seal has been set.

1. Cover
2. Torsion spring
3. Retainer
4. Gasket seal

5. Spring
6. Plate seal
7. Vacuum valve
8. Spring

Canister Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the fuel tank. (Refer to Engine Control / Fuel System - " Fuel Tank") 3. Disconnect th ...

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 ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: To temporarily accelerate with the Smart Cruise Control on
If you want to speed up temporarily when the Smart Cruise Control is on, depress the accelerator pedal. Increased speed will not interfere with Smart Cruise Control operation or change the set speed. To return to the set speed, take your foot off the accelerator. If you push the toggle switch down ...

Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation
Description Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are pre-pro grammed in the memory of the ECM (Engine Control Module). The engine operating conditions (speed, load, wa ...