Kia Niro: Emission Control System / Troubleshooting

Troubleshooting
Symptom
Suspected area
Engine will not start or hard 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

Schematic diagrams
Schematic Diagram ...

Crankcase Emission Control System
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Other information:

Toyota Corolla 2019-2022 Owners Manual: Multi-information display
Display and menu icons ■ Display ► 4.2-inch display A - Driving support system status display area Displays an image when the following systems are operating and a menu icon other than is selected: LTA (Lane Tracing Assist) (if equipped) LDA (Lane Departure Alert with steering control) (if ...

Kia Niro 2017 (DE HEV) Service Manual: Evaporator Temperature Sensor Description and operation
Description The evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. The evaporator temperature sensor has the Negative Temperature Coefficient (NTC). Elect ...

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