Carburator problems -- dirty gas -- water in gas
sounds like you have a leaky intake manifold
Why engine stalls on 1993 Chrysler Intrepid while driving and sometimes at stops?
Its either timing or fuel intake problem.
engine rubber mounts or timin out
Check your motor mounts.
if it shakes while your braking your front roters could be warped or if it shakes while your driving try balancing the tires at a tire shop.
you will need a front wheel alignment
You may have a ball joint going out or your wheels are unbalanced
probably a bad camshaft sensor.
Take frequent rest stops.
your keys?
sometimes, but not while driving