Kia Cadenza YG: 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
Malfunction of the PCV valve
Rough idle
Malfunction of the Evaporative Emission Control System
Excessive oil consumption
Positive crankcase ventilation line clogged

    Schematic Diagram

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Description and Operation

    Description The immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobilizer system aims to drastically reduce the rate of auto theft.

    Kia Cadenza YG 2016-2021 Service Manual: Heater Unit Repair procedures

    Replacement 1. Disconnect the negative (-) battery terminal. 2. Recover the refrigerant with a recovery/ recycling/ charging station. 3. When the engine is cool, drain the engine coolant from the radiator. 4. Remove the expansion valve cover (A).

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