Kia Optima: Troubleshooting - Emission Control SystemKia 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

Special Service Tools
Personal Protective Equipment NameIllustrationDescriptionInsulation gloveUsed when inspecting or working on the high voltage components[Insulation performance : 1000V / 300A or above]Insulation s ...

Crankcase Emission Control System
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See also:

Automatic Transaxle Repair procedures
Removal     • Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure ...

Electric A/C compressor Description and Operation
Description Through the development of electric compressors, fuel efficiency is improved and air conditioner can be implemented when the engine stopped.Operation Principle Compression Part ...

Specifications
Specifications Items Specifications Rated voltage 5V Load Max. 1mA (When head lamp lighting) Illuminat ...

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