Kia Optima: Troubleshooting - General Information - Emission Control System - Kia Optima TF 2011-2026 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:

Replacement
1. Remove the front wheel & tire. Tightening torque:88.3 ~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1~79.6lb-ft) ...

Automatic Heating and Cooling Control System
Your vehicle is equipped with an automatic heating and cooling control system controlled by simply setting the desired temperature. ...

Trip computer
The trip computer is a microcomputercontrolled driver information system that displays information related to driving on the display when the ignition switch is in the ON position. All stored dr ...

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