Hyundai Sonata LF: 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...

    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...

    Other information:

    Hyundai Sonata LF 2014-2019 Service Manual: Input shaft speed sensor 2 Description and Operation


    Description • Components location : DCT (Dual Clutch Transmission) • Function The input shaft speed sensor is important in that it detects the input shaft RPM and sends this information to the Transmission Control Module (TCM). It provides important input information for electric control...

    Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pressure Sensor (FPS) Description and Operation


    Description The fuel pressure sensor (FPS) is installed on the top of the low pressure fuel pump and measures the pressure in the low pressure fuel line. Based on the fuel pressure measured by the FPS and the amount of fuel consumed, the fuel pump control module (FPCM) determines whether to activate the low pressure fuel pump...

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