Check Engine Light On Without Other Symptoms
The check engine light is illuminated on a 2020 Nissan Rogue with no drivability issues or other warning signs. This typically indicates a stored diagnostic trouble code (DTC) related to emissions, sensor readings, or a minor system fault that hasn't yet affected performance.
Diagnosis Details
Possible Causes
Loose or faulty gas cap (causing evaporative emissions leak)
Oxygen sensor or mass airflow sensor malfunction
Catalytic converter efficiency issue (common on higher mileage Rogues)
Related OBD-II Codes
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What You Should Do
Check and tighten the gas cap first.
If the light remains on, have the vehicle's OBD-II system scanned for trouble codes at an auto parts store or by a mechanic.
Do not ignore the light even if the car drives normally, as it may indicate a developing issue.
Related Repairs
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.
