If your engine shakes when you accelerate, you may have a broken motor mount. You need to get it fixed before your engine falls out of your car as you drive along.
bad engine mounts
Miss or vacuum leak.
Most definitely. Any miss will cause the engine to shake. A vacuum leak will also cause this.
Many things could cause an engine to shake. One, for example, would be low coolant or oil levels.
Bad engine cushions can make the engine shake. bad spark plugs cause malfunction as the car starts running.
Worn motor mounts
a bad engine
Engine mounts could be loose or worn.
No, not unless it is so low the engine is overheating.
possibly a broken or missing engine mount
because that's kind of a big engine
what does idle funny mean? Does the whole car shake? (upper engine mount collapsed) Or does the engine shake/misfire? (Intake manifold gasket)