Hyundai Elantra (CN7): Emission Control System / Description and operation
Hyundai Elantra (CN7) 2021-2026 Service Manual / Emission Control System / Description and operation
| Description |
Emissions Control System consists of three major systems.
| • | Crankcase Emission Control System prevents blow-by gas from releasing into the atmosphere. This system recycles gas back into the intake manifold (Closed Crankcase Ventilation Type). |
| • | Evaporative Emission Control System prevents evaporative gas from releasing into the atmosphere. This system burns gas at appropriate engine operating condition after gathering it in the canister. |
| • | Exhaust Emission Control System converts the three pollutants [hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx)] into harmless substances by using the 3-way catalytic converter. |
Components Location1. Canister2. Purge control solenoid valve (PCSV)3. Fuel Tank Air Filter4. Catalytic converter (WCC)5. Catalytic converter (UCC)1. Canister 2.
Other information:
Hyundai Elantra (CN7) 2021-2026 Service Manual: Photo Sensor
Description and operation Description 1.The photo sensor is located at the center of the defrost nozzles.2.The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to
Hyundai Elantra (CN7) 2021-2026 Service Manual: Description and operation
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