Wayde,

Even if you car overheats, the temp sensor by itself will not shut off the car. It will be the warping of the heads, etc. that will kill the car. Since your car will not start, it has to be something else.

You need to expand or explain more what you mean "I have gone through the tests with ...

My 98 S70 would die as if someone turned off the ignition key only to restart after few minutes of wait. It eventually would not run at all. The car has a good battery power, and you would hear the engine turn but it seem that it is not getting enough fuel to continue running. It eventually would ...

Car is now working. It was the MAF sensor after all. Thanks to everyone who responded.

Engine light finally lit up and had an error code indicating a Mass Air Flow (MAF) sensor problem-- using a OBD II reader. Engine light only lit up after I replaced the fuel pump and was able to run the engine which later trigger the error code.
Originally, the car stalled and I was able to restart ...