Kia Optima: Fuel Filler Cap Description and Operation - Evaporative Emission Control System - Emission Control SystemKia Optima: Fuel Filler Cap Description and Operation

Description
A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which seals 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.


Canister Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the auxiliary battery 12 (V) negative (-) terminal. 2. Lift the vehicle. 3. Remove the rear muffler hanger (A). 4. Remove the re ...

Fuel Tank Air Filter Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Lift the vehicle. 3. Disconnect the canister close valve connector (A). 4. Disconnect the v ...

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Inspection
1. Turn ignition switch OFF. 2. Disconnect the oil temperature sensor connector. 3. Measure resistance between sensor signal terminal and sensor g ...

Operation
Passive FunctionsThe system allows the user to access the vehicle without having to perform any actions (e.g. RKE button pressing) with the SMART KEY FOB. It is sufficient that a valid SMART KEY F ...

Power Window Motor. Repair procedures
Inspection Front Power Window Motor Inspection 1. Remove the front door trim panel. (Refer to the BD group - "Front door") 2. Disconnect the connector from ...

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