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Emission Control System

Description and Operation

In this manual: Emission Control System
General Information — 15Maintenance — 7Engine Mechanical System — 84Engine Electrical System — 49Emission Control System — 22Fuel System — 95Clutch System — 28Manual Transmission — 21Dual Clutch Transmission (DCT) System — 47Drive Shaft and Axle — 20Suspension System — 36Steering — 23Restraints — 39Brake System — 54Body (Interior and Exterior) — 209Body Electrical System — 254Heating, Ventilation, and Air Conditioning — 56
~1min read

Description

The emission control system consists of three main systems.
  • The Positive Crankcase Ventilation (PCV) system prevents crankcase emissions from being released into the atmosphere. This system recirculates the gas back into the intake manifold (closed-type crankcase ventilation).
  • The Evaporative Emission Control System prevents fuel vapors from being released into the atmosphere. This system collects the vapors in the canister and then burns them when the engine is in the appropriate operating condition.
  • The exhaust emission control system converts the three pollutants [hydrocarbons (HC), carbon monoxide (CO) and nitrogen oxides (NOx)] into harmless substances using the three-way catalytic converter.

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