INFINITI QX30 rough running condition with check engine light, possibly PVC valve issue on INFINITI QX30

Some INFINITI QX30 owners report experiencing rough running conditions accompanied by a check engine light, which may be attributed to a faulty Positive Crankcase Ventilation (PCV) valve. Symptoms of this issue can include engine vibrations and an overall rough running engine. If left unaddressed, a malfunctioning PCV valve can lead to sludge buildup, potentially resulting in major engine damage. To avoid further complications, it is advisable for owners to promptly address any PCV valve issues by having it inspected and replaced if necessary to ensure the proper functioning of their vehicle.