car shuts down while driving on 1999 Plymouth Breeze

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replaced crank shaft sensor,fuel filter,swapped out shut down and relay also fuel pump relay,checked remote control starter, when car shuts down there is o fuel pressure car getting worse if i hit fuel tank the car will start. if its the fuel pump why didn't it show a code? thats why they thought it was computer no code don't understand
(1) Answer
as i said before, unless there is a cricuit failure, it will not throw a code.
if you hit the tank then chances are you have a bad fuel pump. i would get it replaced as a start.
also, a code does not identify a failed part, just a system failure. a diag will determine the part failure.