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
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 Diagram ...

...

Kia Niro 2017 (DE HEV) Service Manual: Side Impact Sensor (SIS) Description and operation
Description • Side Impact Sensor (SIS) system consists of two Pressure Side Impact Sensor (P-SIS) which are installed at each center of the front door module (LH and RH) and two SIS which are installed at each center pillar nearby (LH and RH) and two rear SI ...