Hyundai i20 Quiz
Emission Control System

Description and Operation

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

Description

The Evaporative Emission Control System prevents fuel vapor from accumulating in the fuel tank by venting it to the atmosphere. When fuel evaporates in the fuel tank, the vapor passes through the vent hoses or pipes in the tank to the activated charcoal canister, and the canister temporarily stores the vapor in the activated charcoal. When the ECM determines that the accumulated vapor should be drawn out of the combustion chambers under certain operating conditions, it uses intake manifold vacuum to purge it.

Test yourself

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