Hyundai Elantra: Emission Control System

Starter Relay

Repair procedures Inspection1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Remove the fuse box cover.3.Remove the starter relay (A)...

Description and operation

DescriptionEmissions Control System consists of three major systems.• Crankcase Emission Control System prevents blow-by gas from releasing into the atmosphere...

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Hyundai Elantra (CN7) 2021-2023 Service Manual: Fuel Tank

Repair procedures Removal1.Release the residual pressure in fuel line.(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")2.Turn ignition switch OFF and disconnect the negative (-) battery cable.3.Remove the rear seat.(Refer to Body - "Rear Seat Assembly")4...

Hyundai Elantra (CN7) 2021-2023 Service Manual: Catalytic Converter

Description and operation DescriptionThe catalytic converter of the gasoline engine is a three way catalyst. It oxidizes carbon monoxide and hydrocarbons (HC), and separates oxygen from the oxides of nitrogen (NOx). Repair procedures Removal[Catalytic Converter (WCC)]1...