Hyundai Elantra (CN7): 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: Description and operating principle
Description and OperationWireless Power Charger SystemDuring ACC or IG ON, battery voltage is supplied to the wireless power charger system to transmit an output of 5 W to mobile phone. Mobile phones certified with the wireless charging standard WPC (Qi 1.
Hyundai Elantra (CN7) 2021-2026 Service Manual: Troubleshooting
Diagnosis with Diagnostic tool1.In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool).The diagnostic system (Diagnostic tool) provides the following information.(1)Fault Code Searching : Checking failure and code number (DTC)(2)Data Analysis : Checking the system input/output data s
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