Hyundai Elantra (CN7): Exhaust Emission Control System / Catalytic Converter
Description and operation
| Description |
Repair procedures
| Removal |
| 1. | Remove the exhaust manifold. (Refer to Engine Mechanical System - "Exhaust Manifold") |
| 1. | Remove the Center Muffler. (Refer to Engine Mechanical System - "Center Muffler") |
| Installation |
| 1. | Install in the reverse order of removal. |
DescriptionExhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components.Modifications to the combustion chamber, intake manifold, camshaft and ignition system form the basic control system.
Description and operation DescriptionContinuous 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 the engine speed and load.
Other information:
Hyundai Elantra (CN7) 2021-2026 Service Manual: Troubleshooting
Trouble Symptom ChartsTrouble Symptom 1Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed se
Hyundai Elantra (CN7) 2021-2026 Service Manual: Components and components location
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