Kia Niro: Crankcase 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 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 ignition switch OFF and disconnect the negative (-) battery terminal. 2. Remove the fuel tank. (Refer to Engine Control / F ...

Fuel Tank Air Filter Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery terminal. 2. Remove the filler-neck assembly. (Refer to Engine ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Rear Console Cover Components and components location
Component Location 1. Rear console cover ...

Kia Niro 2017 (DE HEV) Service Manual: Heated Oxygen Sensor (HO2S) Description and operation
Description Heated Oxygen Sensor (HO2S), consisting of zirconium and alumina, is installed on both upstream and downstream of the Manifold Catalytic Converter (MCC) to detect the air/fuel ratio and send it to the ECM. The sensor output voltage varies in accordance with the air/fue ...

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