Kia Optima: Evaporative Emission Control System / Fuel Tank Air Filter

Kia Optima DL3 2019-2021 Service and Repair Manual / Emission Control System / Evaporative Emission Control System / Fuel Tank Air Filter

Repair procedures
Removal
1.

Disconnect the negative battery (-) terminal.

2.

Remove the [LH] rear wheel guard.

(Refer to Body - "Rear Wheel Guard")

3.

Disconnect the ventilation hoses (A) from the fuel tank air filter.

4.

Remove the fuel tank air filter (B) after loosening the mounting bolt.

Tightening torque :

9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

Installation
1.

Install in the reverse order of removal.

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 ...

Purge Control Solenoid Valve (PCSV)
Specifications Specification Item Specification Coil Resistance (Ω) 22.0 - 26.0 [20°C (68°F)] Schematic diagrams ...

Other information:

Kia Optima DL3 2019-2021 Owner's Manual: LKA activation


To see the LKA screen on the LCD display in the cluster, Tab to the ASSIST mode ( ). For further details, refer to [menu settings] in chapter 4. After LKA is activated, if both lane markers are detected, vehicle speed is over 64 km/h (40 mph) and all the activation conditions are satisf ...

Kia Optima DL3 2019-2021 Owner's Manual: System malfunction


When the “Check System” warning message appears, the system is not working properly. In this case, take your vehicle to an authorized Kia dealer and have the system checked. WARNING The Driver Attention Warning system is not a substitute for safe driving practices. It is the respon ...

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