Have someone check your fuel pump pressure,if you lose fuel pressure while driving,and then it comes back that would explain why it seems to start by itself.
1996 Chevrolet cavalier shuts off while driving and have to put in natural or park to restart
it may be the o2 scensor
need help here someone help me
the ignition switch could be bad
i believe so, take it to a local kragen and have them check your battery for free.
between 130-140 ks
If you mean a inertia switch that shuts off the fuel pump in case of a wreck or something, No. The computer shuts it off if the engine is not running.
Chevy Cavalier is a shity car. Ditch and buy something of value. Then sell your Mama on e-bay. I hear she is hot.
the battery is flat or its to old
If your 2000 Ford Expedition shuts off while driving it you should discontinue use of the vehicle immediately. Then have the vehicle towed to your local dealership or mechanic shop to address the problem,
Because your body basically shuts itself down.
Try Nintendo's troubleshooting guide.