You would have to call 911!
Another Answer
Sounds like the timing is off or plug wires in the wrong order.
A car can backfire and die if the spark plugs are bad. The car could also have a problem with the timing or the catalytic converter .
A bad spark plug wire can cause your car to act like the choke is stuck open and make it backfire. Moisture will make the problem more evident.
it doesn't or it shouldent'
Slowing down
catalytic converter?
No! A car backfires because unburned fuel is getting to the muffler. The heat of the exhause system causes the fuel to combust, thus a backfire. A bad alternator will just not charge your car battery.
Could be in need of a tune-up.
A sparkplug misfiring.
Its either too much fuel coming from the carbeuator and causing it to backfire or it could be spark plugs wired wrong. try to be more specific on where backfire is coming from. either out of the carbeuator or the tailpipes.
When the person misses too many payments.
bad compression
Your car is running too rich.