Hyundai i20 Quiz
Emission Control System

Troubleshooting

In this manual: Emission Control System
General Information — 17Engine Mechanical System — 79Engine Electrical System — 50Emission Control System — 22Engine/Fuel Control System — 107Clutch System — 27MANUAL TRANSMISSION SYSTEM — 21Drive Shaft and Axle — 18Suspension System — 29Steering System — 21Restraint — 41Braking System — 53Body Work (Interior and Exterior) — 190Body Electrical System — 181Heating, Ventilation and Air Conditioning — 58
~1min read

TROUBLESHOOTING

Symptom Suspected Area
Engine Cannot Be Started or Is Difficult to Start Disconnected or damaged evaporation hose
Engine Hard to Start Purge control valve malfunction
Rough idle or engine stalls Disconnected or damaged evaporation hose
PCV valve malfunction
Rough Idle Evaporative Emission Control System Malfunction
Excessive Oil Consumption PCV hose clogged

Test yourself

A quick Hyundai i20 quiz: every answer comes with an explanation and a link to the manual page.