Hyundai Kona: 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.

Fuel Tank Air Filter Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Lift the vehicle. 3. Rem ...

Exhaust Emission Control System
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Other information:

Hyundai Kona (OS) 2018-2020 Service Manual: Auto Defogging Sensor Repair procedures
Diagnosis With GDS 1. The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS). ※ The diagnostic system (GDS) provides the following information. (1) Self d ...

Hyundai Kona (OS) 2018-2020 Service Manual: Repair procedures
Refrigerant System Service Basics (R-134a) Refrigerant Recovery Use only service equipment that is U.L-listed and is certified to meet the requirements of SAE J2210 to remove HFC-134a(R-134a) from the air conditioning system. ...

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