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There are many things that can cause this, a bad transmission pump or torque converter, restarting the engine helps it because you are stopping the flow of oil and then restarting it oil starts to flow again and increase pressure as you accelerate , Another problem could be in the vanes of the torque converter with the same concept when you shut it down and restart it.
You would need a ****** shop to check pressure and put scan tool on it to watch readings, and last it may be low on fluid or internal leakage causing loss of pressure.
I have ran into this problem many times. Insert the key, and turn it to run. After 10 minutes the security lamp should go out. Turn the key off, and then back to run and let it sit another 10 minutes until the security lamp goes out again. Now repeat this one more time for another 10 minutes until the lamp goes out again. This should be a total of 30 minutes so make sure your battery is fully charged when you start the procedure. After the third time and the lamp going out you should be able to restart the vehicle.
this is tough, two things I can think of, the first is the coil, if it is not ground good there wont be a good spark or a defective coil,,,, but i am leaning more to it being the timing chain jumped a cog,,, the computer would start the engine advansed but as the engine warmed it would ****** the spark ,,, after 5-10 min. it would quit,, this I would if it si a higher milage car. Tony