Kia Niro: Emission Control System / Troubleshooting

Kia Niro 2017 (DE HEV) Service Manual / 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
Rough idle or engine stalls	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:

Kia Niro 2017 (DE HEV) Service Manual: Heater Unit Repair procedures
Replacement When prying with a flat-tip screwdriver or a prying trim tool, wrap a protective tape around the related parts and the tool to prevent damage. 1. Disconnect the negative (- ...

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 ...