sounds like the ignition control module
There are several things that can cause your 2000 Chevrolet to backfire and die. The most common cause is a plugged catalytic converter.
Normal cause of a belt smoking is that one of the driven pulleys has siezed.
low fluid would cause this or the pump could be going out
Running out of gas, timing chain breaks.
Out of Oil Out of Water Out of Gas Dead Alternator
Blown fuse, defective fuel pump relay, or a worn out fuel pump.
Running the engine hot repeatedly.
it might be a bent piton rod if you or water or somthing into the engine
Yes, and disconnecting the battery while the engine is running can severely damage the computers
check and see if you are getting fuel ,spark and compreesion these are the three main things if you have all of these repost
it can, if you do not exercise beforehand and suddenly apply more force than usual over an extended period of time.
The vacuum lines for a 2000 Cavalier are located all over the engine bay and under the dash. A break in any line can cause rough running.
The engine will run hot. This could lead to a blown head gasket. It may even build pressure and cause damage to the radiator and or hoses.
Since the Cavalier is out of timing, check the timing gears and belt. It sounds like the belt has slipped and is causing the base problem with the car.
Had a 1995 Cavalier with a similar problem. It was some type of solenoid on the transmission (automatic). Cost about $500 to replace at the dealer.