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 (DE HEV) Owners Manual: Bulb replacement precaution
Please prepare bulbs with appropriate standards in case of emergencies. Refer to “Bulb Wattage” in chapter 9. When changing bulbs and sorts, first turn off the engine at a safe place, firmly apply the side brake and take out the battery's negative (-) terminal. WARNING - Working on the ...

Kia Niro 2017 (DE HEV) Service Manual: General information
Basic Service Symbols There are five primary symbols used to complement illustrations. These symbols indicate the part to apply such materials during service. Symbol Meaning Do not reuse the part. Replace a new one. ...