Kia Stinger: Emission Control System

Kia Stinger CK 2018-2023 Service Manual / Emission Control System

Components and components location

Components Location

1. PCV Valve
2. Canister
3. Purge control solenoid valve (PCSV)
4. Fuel tank air filter

5. Catalytic converter (WCC)
6. Vapor hose (Canister ↔ Intake Manifold)
7. Vapor Hose (Canister ↔ Fuel Tank)
8. Ventilation Hose (Canister ↔ Atmosphere)

1. PCV valve	2. Canister 4. Fuel tank air filter

3. Purge control solenoid valve (PCSV)	5. catalytic converter (WCC)

6. Vapor hose (Canister ↔ Intake Manifold) 7. Vapor Hose (Canister ↔ Fuel Tank) 8. Ventilation Hose (Canister ↔ Atmosphere)

Description and operation

Description

Emissions Control System consists of three major systems.

•	The Crankcase Emission Control System prevents blow-by gas from releasing into the atmosphere. This system recycles gas back into the intake manifold (Closed Crankcase Ventilation Type).

•	The Evaporative Emission Control System prevents evaporative gas from releasing into the atmosphere. This system burns gas at appropriate engine operating condition after gathering it in the canister.

•	The Exhaust Emission Control System converts the three pollutants [hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx)] into harmless substances by using the 3-way catalytic converter.

Schematic diagrams

Schematic Diagram

Troubleshooting

Symptom	Suspected area
Engine does not start or struggles to start	Vapor hose damaged or disconnected
Engine struggles to start	Malfunctioning Purge Control Solenoid Valve
Rough idle or engine stalls	Vapor hose damaged or disconnected
Rough idle or engine stalls	Malfunctioning PCV valve
Rough idle	Malfunctioning Evaporative Emission Control System
Excessive oil consumption	Positive crankcase ventilation line clogged

Positive Crankcase Ventilation (PCV) Valve

Evaporative Emission Control System

Exhaust Emission Control System

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Specifications

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