i have a 96 gmc jimmy 4.3 v6 vortec ,i replaced the spider injectors ,fuel filter, and now fuel pump and still doesnt start it wants to try to turn over wawawawawawa but no vrooom i put fuel directly in the tb and it started for a few seconds then died, i also tryed the relays .i tryed talking to the gmc techs but they were dicks and told me to bring it in so they can rape me .i checked all the fuel lines and the bleeder sends the fuel back out to the tank so i dont think the lines are cloged.anybody have any ideas ? thanks

 

is the pump coming on?

 

yes i hear the pump in the tank and the pump was tested out of the tank

 

where do you live.. i am a self proclaimed s10 (pos) specialist ive replaced every single part in mine completly built the motor and know every intricate detail about that pos.. i also have factory service manuals and all the tools to fix it. and some spare parts...

 

wheres valrico ?

 

does that have to do with the relays ?

 

Had a similiar problem on a friends' lt1 camaro. Fuel pump would turn on, had fuel psi, but wouldn't start. Sprayed some fuel into the tb and it would try to start then die. It ended up being that the pcm needed to be replaced. Swapped it over with another one and the car ran fine. hope this helps

 

pcm ? what does that stand for ? thanks