Kia Optima: Troubleshooting - General Information - Emission Control System - Kia Optima TF 2011-2022 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 seatback lock
When the rear seatback lock lever (located on the backside of the rear seatback) is in the LOCK position, it is not possible to fold the rear seatback down by using the release lock lever. Sho ...

High Voltage Shut-off Procedures
High Voltage Shut-off Procedures     Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage sys ...

Cruise control system
The cruise control system allows you to program the vehicle to maintain a constant speed without depressing the accelerator pedal. This system is designed to function above approximately 40 km/h (2 ...

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