If a car shakes and loses power when idling it can be the spark plug. If a spark plug is fouling, it can cause power losses.
Sound like a transmission problem. Check your fluid first.
Dodge Avenger has a problem with this. You need to take off the oil pan because the oil thicken's in the pan. Clean it and put it back on and this should to the trick.
Is the engine running ? no
Yes. If you disconnect the battery from the vehicle what happens is that the anti theft system on the radio thinks the the radio is being stolen because it loses power. What you have to do is enter a code that is provided to you by the dealership. If they don't have the code on record then the dealer has to remove the radio to find out the code.
Engine will overheat and seize
what year is your car and engine cylinders
compression rings on pistons are worn out or broken
For every 1000 ft an normally aspirated engine loses 3% of it's horsepower, 7000 foot would result in a 21% reduction in power.
Lubrication. If the engine loses its oil, then the internal engine parts are not lubricated and will therefore expand because of increased friction (generates heat). This will cause the engine to seize.
When a vehicle loses traction or skids in a lateral direction due to the power of the engine.
Engine chokes and loses power when accelerator is pressed