Engine Mount Control System
WARNING: This page is about a different car, the 2001 Acura MDX, 2001 Acura Integra, 2001 Acura 3.5RL, 2001 Acura 3.2TL, and 2001 Acura 3.2CL. However, it is still accessible from the selected car via links, so may be relevant.
Excessive engine vibration could be caused by a malfunctioning engine mount control system, which determines engine mount stiffness at idle. For troubleshooting procedure, see ENGINE MOUNT CONTROL SYSTEM in appropriate ENGINES article.