Kia Cadenza: Emission Control System / Troubleshooting

Kia Cadenza YG 2016-2025 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

Schematic Diagrams

Schematic Diagram ...

Crankcase Emission Control System

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Other information:

Kia Cadenza YG 2016-2025 Owners Manual: If the engine will not start

If engine doesn't turn over or turns over slowly 1. Be sure the shift lever is in N (Neutral) or P (Park) and the emergency brake is set. 2. Check the battery connections to be sure they are clean and tight. 3. Turn on the interior light. If the light dims or goes out when you operate ...

Kia Cadenza YG 2016-2025 Service Manual: Auto defoging sensor Repair procedures

Inspection 1. Press the OFF switch more then 4 times within 2 seconds while pressing the MODE switch. DisplayFail description00Normal23Auto defog sensor OPEN24Auto defog sensor SHORT43Defog door potentiometer OPEN/SHORT44Defog door potentiometer * Diagnostic procedure refer to DTC code. ...