2016 Honda CRV-LX Eng 2.4 Idle vibration after engine warmed up. RPM drop causing vibration.
Do you have a check engine light on?
if so, post the codes to better help you.
most auto parts stores will scan your vehicle and read the codes for free.
Could be caused by a vacuum leak causing the mixture to go lean. A fuel trim test would confirm/disprove.
Have the engine mounts inspected.
The job of the motor mounts is to keep your CR-V from rattling to death, while keeping the engine in the engine bay. All of the symptoms of a bad motor mount are going to be related to vibration, and the motor moving from it’s proper location. That being said, here are the three most common symptoms of a bad motor mount. They usually happen in stages.