1988 start wont run starts then cuts off - 1988 Buick Regal

do you have a bad crank sensor and the injectors are not firing ?

yes fuel pump is dying (it's old ) it will finnaly give up the ghost some day soon then engine won't run at all

common problem pump heats up and shuts off cools off and runs again cyclic

this all assumes you have kept up on changing the fuel filter at reg intervals too

ECM fuse 25 amp, under dash

My guess is the screeching sound is the belt slipping. Check the tension and if slack this can be taken up by adjusting the alternator a little bit further out from the engine. The sudden cutting out sounds like a fuel cut-off problem. Check the fuses and the relay to the fuel pump. If all OK, check that the pump is operational and that the in-line fuel filter is not clogged. If fuel still fails to flow you may need to look at having to remove the fuel tank to check that the fuel pick-up pipe in it is clear.

check for a vacumn hose that may have come off!

did you try the ignition coil or try the fuel cut off switch in the trunk on the left side if the red button poped push it back in

it could be some thing as simple as your vacume pipe,s or air pipe,s leaking.

you have to have fire,fuel,compression for an engine to run,check those

Sediment from the bottom of the tank could be blocking your fuel filter. Replace your fuel filter.

If by adding fuel you can get it to run, then it is probably not getting fuel on its own.