Hyundai Elantra (CN7): Emission Control System / Components and components location
| Components Location |
| 1. Canister 2. Purge control solenoid valve (PCSV) 3. Fuel Tank Air Filter | 4. Catalytic converter (WCC) 5. Catalytic converter (UCC) |
| 1. Canister | 2. Purge control solenoid valve (PCSV) |
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| 3. Fuel Tank Air Filter | 4. Catalytic converter (WCC) |
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| 5. Catalytic converter (UCC) | |
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DescriptionEmissions Control System consists of three major systems.• Crankcase Emission Control System prevents blow-by gas from releasing into the atmosphere.
Troubleshooting Symptom Suspect Area Engine will not start or stuggle to startVapor hose damaged or disconnectedEngine stuggle to startMalfunction of the Purge Control Solenoid ValveRough idle or engine stallsVapor hose damaged or disconnectedMalfunction of the PCV valveRough idleMalfunction of the Evaporative Emission Control SystemExcessive oil consumptionPositive crankcase ventilation line clogged
Other information:
Hyundai Elantra (CN7) 2021-2026 Service Manual: Components and components location
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Hyundai Elantra (CN7) 2021-2026 Service Manual: Climate Control Air Filter
Description and operation Description The climate control air filter is located in the blower unit. It eliminates foreign materials and odor. The particle filter performs a role as an odor filter as well as a conventional dust filter to ensure comfortable interior environment.
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