Kia Optima: Troubleshooting - General Information - Emission Control System - Kia Optima TF 2011-2024 Service ManualKia Optima: Troubleshooting

Troubleshooting

Symptom
Suspect area
Engine will not start or struggle to start
Vapor hose damaged or disconnected
Engine struggles 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 valve installation 0.19 ~ 0.29 1.9 ~ 2.8 1.4 ~ 2.1 ...

Schematic Diagrams
Schematic Diagram ...

See also:

Removal
1. Disconnect the negative (-) battery terminal. 2. Remove the driver crash pad lower panel.(Refer to the BD group - "Crash pad") 3. Rem ...

Operating door locks from outside the vehicle
Turn the key toward the rear of the vehicle to unlock and toward the front of the vehicle to lock. If you lock/unlock the door with a key, all vehicle doors will lock/unlock automatically ...

Adjustment
Glass Adjustment • Check the glass run channel for damage or deterioration, and replace them if necessary. ...

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