Kia Picanto (JA): Emission Control System

Kia Picanto (JA) 2017-2026 Service & Repair Manual / Emission Control System

Specifications

Purge Control Solenoid Valve (PCSV)

▷ Specification

Item	Specification
Coil Resistance (Ω)	18.5 - 22.5 [23°C(73.4°F)]

Tightening Torques

Item	kgf·m	N·m	lb·ft
Purge Control Solenoid Valve (PCSV) bracket mounting bolt	1.0 - 1.2	9.8 - 11.8	7.2 - 8.7
Positive Crankcase Ventilation (PCV) Valve	0.19 - 0.29	1.89 - 2.84	1.40 - 2.09
Canister installation bolt	0.3 - 0.6	3.0 - 6.0	2.1 - 4.3

Components and components location

Components Location

1. PCV valve
2. Canister
3. Purge control solenoid valve (PCSV)
4. Catalytic converter (WCC)
5. Gasoline Particulate Filter (GPF)

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

1. PCV valve	2. Canister

3. Purge Control Solenoid Valve (PCSV)	4. Catalytic Converter (WCC)

5. Gasoline Particulate Filter (GPF)

6. Leveling Hose 7. Vapor Tube ( Canister ↔ Intake Manifold) 8. Vapor Hose (Canister ↔ Fuel Tank) 9. 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	Suspect area
Unable or hard to start engine	Vapor hose damaged or disconnected
Engine hard to start	Malfunctioning Purge Control Solenoid Valve
Rough idle or engine stalling	Vapor hose damaged or disconnected
Rough idle or engine stalling	Malfunctioning PCV valve
Rough idle	Malfunctioning Evaporative Emission Control System
Excessive oil consumption	Positive crankcase ventilation line clogged

Crankcase Emission Control System

Positive Crankcase Ventilation (PCV) Valve

Evaporative Emission Control System

Exhaust Emission Control System

❮Cruise Control Switch

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Crankcase Emission Control System❯

Schematic diagrams Schematic Diagram Repair procedures Inspection 1. After disconnecting the vapor hose from the PCV valve, remove the PCV valve.

Other information:

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