1996 chevy 1500 hard starting after it warms up

[ausell]

I got a 1996 chevy pick up 5.7 auto It will start up find when it is cold when i drive it to where ever and it warms up and i turn it off it is hard to start back up i can hear the fuel pump and fuel pump relay pulsesating and the check engine light flashs with it I have put in a new fuel pump,relay,and it still does it anybody can help would be great!!!!

[Carder09]

I thought the engine light flashing is a misfire.

[grampadirt]

You should start by scanning for codes.

 

Welcome to GMT

[ausell]

You should start by scanning for codes.

 

Welcome to GMT

will not read one

 

I thought the engine light flashing is a misfire.

no misfire runs great when it starts

[Carder09]

I did some research for you and found that it could possibly be an issue with the EFI system i.e. possibly computer related, may just need to take it to your certified mechanic and/or dealer before you do anymore damage to your truck.