Hyundai Elantra (CN7): Emission Control System / Troubleshooting

Hyundai Elantra (CN7) 2021-2026 Service Manual / Emission Control System / Troubleshooting

Troubleshooting
Symptom
Suspect Area
Engine will not start or stuggle to start
Vapor hose damaged or disconnected
Engine stuggle to start
Malfunction of the Purge Control Solenoid Valve
Rough idle or engine stalls
Vapor hose damaged or disconnected
Malfunction of the PCV valve
Rough idle
Malfunction of the Evaporative Emission Control System
Excessive oil consumption
Positive crankcase ventilation line clogged

    Components Location1. Canister2. Purge control solenoid valve (PCSV)3. Fuel Tank Air Filter4. Catalytic converter (WCC)5. Catalytic converter (UCC)1. Canister 2.

    SpecificationsPurge Control Solenoid Valve (PCSV)▷ Specification Item Specification Coil Resistance (Ω)22.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: High Mounted Stop Lamp

    Repair procedures Removal1.Disconnect the negative (-) battery terminal.2.Remove the rear package tray trim.(Refer to Body - "Rear Package Tray Trim")3.Loosen the mounting screws and remove the high mounted stop lamp (A).Installation1.Install the high mounted stop lamp.

    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

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