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:

Engine Temperature Gauge
This gauge shows the temperature of the engine coolant when the ignition switch is ON. If the gauge pointer moves beyond the normal range area toward the H position, it indicates overheating that ...

Automatic transaxle
Depress the brake pedal and the lock release button when shifting. Press the button when shifting. The shift lever can be shifted freely. ...

Inhibitor Switch. Description and Operation
Description Inhibitor Switch monitors the lever's position(PRND) and is used to control gear setting signals. ...

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