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:

Kia Niro 2017 (DE HEV) Service Manual: Fuel Pressure Control Valve (FPCV) Repair procedures
Inspection 1. Switch "OFF" the ignition and disconnect the negative (-) battery terminal. 2. Disconnect the fuel pressure regulator valve connector. 3. Measure resistance between the fuel pressure regulator ...

Kia Niro (DE HEV) Owners Manual: Instrument Cluster Control
Adjusting Instrument Cluster Illumination WARNING Never adjust the instrument cluster while driving. This could result in loss of control and lead to an accident that may cause death, serious injury, or property damage. The brightness of the instrument panel illumination is changed by press ...

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