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92 2500 454 tbi chevy truck starts then quits on 1992 Chevrolet 2500 Pickup

fuel pump went out replaced it then the truck started then dies replaced it 2 more times did not work check then grounds wires replace every senor pcm time set fuel presure regulapr

Dual tanks? Need to know!
single tank fuel pump at 35 psi injector pulse great new pcm
3 more answers , 1 more comment
Dual tanks? Need to know!
single tank fuel pump at 35 psi injector pulse great new pcm
Are you actually TESTING fuel pump/pressure? Are you getting correct injector pulse? PROM switched over when PCM replaced?
every thing has been check and replace more then once
scan test for codes