Kia Sorento: Troubleshooting - Emission Control System - Kia Sorento XM 2011-2025 Service ManualKia Sorento: Troubleshooting

Second Generation XM (2011-2025) / Kia Sorento XM 2011-2025 Service Manual / Emission Control System / 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

Tightening Torques
Item kgf.m N.m lb-ft Positive Crankcase Ventilation (PCV) Valve installation 0.19 ~ 0.29 1.9 ~ 2.8 1.4 ~ 2.1 ...

Schematic Diagram
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See also:

Removal
1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the manifold absolute pressure sensor connecto ...

Battery Sensor Removal
1. Disconnect the battery negative (-) cable. 2. Disconnect the battery sensor connector (A). 3. Remove the bat ...

Inspection
1. Disconnect the ignition switch connector (B) and key warning switch connector (A) from under the steering column. 2. Che ...

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