Kia Optima: Troubleshooting - General Information - Emission Control System - Kia Optima TF 2011-2025 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:

Installation
1. Make sure of the length of compressor mounting bolts, and then tighten it A→B→C→D order. Tightening torque :20.0~32.9N.m (2.04~3.36kgf.m, 14.7~24 ...

Rear Door Child Safety Lock
The child safety lock is provided to help prevent children from accidentally opening the rear doors from inside the vehicle. To lock a rear door so that it cannot be opened from the inside, pu ...

Windshield washers
In the OFF position, pull the lever gently toward you to spray washer fluid on the windshield and to run the wipers 1-3 cycles. Use this function when the windshield is dirty. The spray and wipe ...

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