Steering wheel shakes when at a stand still on 1994 Toyota Camry

When at a stand still and in gear the steering wheel and engine shake. Have had the Transmission mount and both engine mount replaced and that did not solve the problem. It will slow down a little if I put the car in neutral or park and if I turn the ac off.

Asked by for the 1994 Toyota Camry
In neutral if you slightly raise the idle speed using the accelerator pedal can you get the engine to smooth out and make the vibration go away. I wonder if the idle is too slow, could you have a misfire or vacuum leak? You could try cleaning the throttle butterfly area with carburetor cleaner and a tooth brush and turning the idle air by pass screw, and or investigate for vacuum leaks or misfire.
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did you ever solve the camry issue?