Kia Niro: Emission control system / 1. Crankcase emission control system

Kia Niro (DE HEV) Owners Manual / Maintenance / Emission control system / 1. Crankcase emission control system

The positive crankcase ventilation system is employed to prevent air pollution caused by blow-by gases being emitted from the crankcase. This system supplies fresh filtered air to the crankcase through the air intake hose. Inside the crankcase, the fresh air mixes with blow-by gases, which then pass through the PCV valve into the induction system.

Emission control system
The emission control system of your vehicle is covered by a written limited warranty. Please see the warranty information contained in the Warranty & Maintenance book in your vehicle. Your ve ...

2. Evaporative emission control system
The Evaporative Emission Control System is designed to prevent fuel vapors from escaping into the atmosphere. Canister Fuel vapors generated inside the fuel tank are absorbed and stored in the onb ...

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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 ...

Kia Niro 2017 (DE HEV) Service Manual: Main Fuse Repair procedures
Removal    • Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instr ...

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