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:

Timing Chain. Components and Components Location
  1. Intake camshaft 2. Exhaust camshaft 3. Intake CVVT assembly 4. Exhaust CVVT assembly 5. Timing chain 6. Timing chain guide 7. Timing chain tensioner ...

Operating Precautions for Catalytic Converters
WARNING - Fire A hot exhaust system can ignite flamable items under your vehicle. Do not park the vehicle over or near flamable objects, such as dry grass, paper, leaves, etc. Your vehicle is ...

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 ...

Copyright www.kiopman.com 2026