95 s10 runs like its choking I can kill it and it will run fine acre restart on 1995 Chevrolet S10

New timing chain diet shaft coil map sensor throttle sensor o2 sensor ecm

Asked by for the 1995 Chevrolet S10
Have fuel pressure leak down checked. Post results.
This is a 4.3 tbi I changed fuel pump the new has a humming noise you can here standing by the tank
4.3 CPI injection! Hook up pressure gauge start engine then turn off and see if pressure drops off rather quickly.
Had fuel pressure checked they say its the fuel pump how hard is it to remove bed from the truck