Hi, My 2004 LS430 has developed an Engine Vibration @ 2500-3500 RPM it does it stood still in park as well as in gear - Its not so bad when the Engine has warmed up but is still noticeable.
If its revved & kept at say 3000rpm in park/neutral you can feel the vibration up through the Steering Wheel.
As it does it while stood still I can only think it must be either Engine related or Eng/Gbox Mountings ??
Whats the best process of elimination ??
Any Ideas - Thanks.