Kia Optima: Troubleshooting - General Information - Emission Control System - Kia Optima TF 2011-2020 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:

Rear wheel alignment
When using a commercially available computerized wheel alignment equipment to inspect the rear wheel alignment, always position the v ...

Radial-ply tires
Radial-ply tires provide improved tread life, road hazard resistance and smoother high speed ride. The radial- ply tires used on this vehicle are of belted construction, and are selected to ...

Seat belt restraint system
WARNING For maximum restraint system protection, the seat belts must always be used whenever the vehicle is moving. Seat belts are most effective when seatbacks are in the upright position. ...

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