Could be the idle air control valve. If it starts cold just fine, but dies after it's warm. It could be stuck in one position. The iac controls the amount of air that the system pulls in. When cold, it allows more air in to be mixed with fuel. As the engine warms up, it should close a little and allow less air for fuel air mixture. If stuck closed it will choke out the system and cause it to die. Hope that helps. Good luck.
Hi there I am technology tech mechanic I work on electric and man. I come from long line of mechanics I am 5gen have you check your belts and pully like water pump etc. Also cat Canto.also vac pump and lines! If you have a fuel pressure reg you should have a fuel return mod but to be honest I am not sure if it has the return mod I think it does! Have you did a leak down test for your fuel system and does it have two gas tanks if so try the tank switch. But I bet you have a circuit open! Do a voltage drop testing on it po to po, nev to nev with out a load and with a load on it (load is starting)the starting system volt' should not dros below 9.4* volts I am got my money on circuit open that what I do first to do be sure you are using volt drop with load not ohms have you try the Intera fuel pump kill switch
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Electric technician mechanic
Brandon Brown
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