Kia Optima: Troubleshooting - General Information - Emission Control System - Kia Optima TF 2011-2025 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:

Line Pressure Control Solenoid Vale. Description and Operation
Description Line pressure control solenoid valve is attached to the valve body. This variable force solenoid valve directly controls the hydraulic pressure inside the line pressure. ...

Economical operation
Your vehicle's fuel economy depends mainly on your style of driving, where you drive and when you drive. Each of these factors affects how many miles (kilometers) you can get from a gallon (l ...

Infant or small child
You should be aware of the specific requirements in your country. Child and/or infant seats must be properly placed and installed in the rear seat. For more information about the use of these rest ...

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