need to replace the intake manifold gasket
The "check engine" light should be illuminated. Start with investigating the code(s). They may lead you to the cause.
Loose motor mounts.
There are many reasons why your car might vibrate while it is idling. It could be running too hard for example.
bad/partially blocked catalytic converter. - kind of a rotton egg smell, right?
Effectively all the fuel that it burns while idling. You are getting 0 miles per gallon while idling.
A car can shake because of a problem in the transmission although this usually is not the problem. I will assume it shakes while it is idling or just starting out. It can also shake due to broken motor or transmission mount(s), bad u joints, a loose harmonic balancer, an unbalanced driveshaft or problems in the rear differential.
Engine is idling too slow or the alternator is weak. Or battery is getting tired.
There are several things that can cause your Jeep to stall while idling. The timing may be off or your fuel filter may be clogged.
if while driving you need wheel alignment an/or wheel balancing. if it s just while idling it can be a few things like worn motor mounts clogged fuel injectors causing low or ramping rpms
If the car dies while idling, the timing might be off. Other causes can include a clogged fuel filter or a bad spark plug.
2001 sienna stall while just stop while driving. electric just cut out power, then switch can operated but idling roughling