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

...

Other information:

Kia Niro (DE HEV) Owners Manual: Distributing the sealant
11. Immediately drive approximately 7~10km (4~6miles or, about 10min) to evenly distribute the sealant in the tire. CAUTION Do not exceed a speed of 60 km/h (35 mph). If possible, do not fall below a speed of 20 km/h (12 mph). While driving, if you experience any unusual vibration, ride distu ...

Kia Niro (DE HEV) Owners Manual: Owner maintenance schedule
When you stop for fuel: Check the engine oil level. Check the coolant level in the coolant reservoir. Check the windshield washer fluid level. Look for low or under-inflated tires. WARNING Be careful when checking your engine coolant level when the engine is hot. Scalding hot coolant ...