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: Rear Console Cover Components and components location
Component Location 1. Rear console cover ...

Kia Niro (DE HEV) Owners Manual: Maintenance Under Severe Usage Conditions - For Gasoline Engine
Maintenance operation I : Inspect and if necessary, adjust, correct, clean or replace. R : Replace or change. SEVERE DRIVING CONDITIONS A : Repeatedly driving short distance of less than 8 km (5miles) in normal temperature or less than 16 km (10 miles) in freezing temperature. B : Extensi ...

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