Hyundai Kona: Emission Control System / Troubleshooting

Hyundai Kona (OS) 2018-2025 Service Manual / Emission Control System / Troubleshooting

Troubleshooting

Symptom	Suspect area
Engine will not start or stuggle to start	Vapor hose damaged or disconnected
Engine stuggle to start	Malfunction of the Purge Control Solenoid Valve
Rough idle or engine stalls	Vapor hose damaged or disconnected
Rough idle or engine stalls	Malfunction of the PCV valve
Rough idle	Malfunction of the Evaporative Emission Control System
Excessive oil consumption	Positive crankcase ventilation line clogged

Description and operation

Description Emissions Control System consists of three major systems. – Crankcase Emission Control System prevents blow-by gas from releasing into the atmos ...

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