Hyundai Elantra: Exhaust Emission Control System / Catalytic Converter Description and Operation

Description
The 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).

Description and Operation
Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components. Modifications to the combustion chamber, int ...

CVVT (Continuously Variable Valve Timing) System Description and Operation
Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Accumulated Info display
This display shows the accumulated trip distance (1), the average fuel economy (2), and the total driving time (3). The information is accumulated starting from the last reset. To reset the details, press and hold the OK button when viewing the Accumulated driving info. The trip distance, th ...

Hyundai Elantra AD (2016-2020) Service Manual: Transaxle Control Module (TCM) Repair procedures
Inspection Transaxle Control Module(TCM) Problem Inspection Procedure 1. TEST TCM GROUND CIRCUIT: Measure resistance between TCM and chassis ground using the backside of TCM harness connector as TCM side check point. If the problem is found, repair it. Specification: Below 1? 2. TE ...

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