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:

Removal
Front Speaker 1. Remove the front door trim panel and speaker connector.(Refer to the BD group - "Front door") 2. Remove the front speaker (A) after loos ...

35R Clutch Control Solenoid Valve (35R/C_VFS) Description and Operation
Description 35R clutch control solenoid valve(35R/C_VFS) is attached to the valve body. This variable force solenoid valve directly controls the hydraulic pressure to the 35R clutch. ...

Securing a child restraint seat with “Tether Anchor” system
Child restraint hook holders are located on the package tray. 1.Route the child restraint seat tether strap over the seatback. For vehicles with adjustable headrests, route the tether strap unde ...

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