Technical PLEASE HELP LPFP DROPS

[georgecenaa]

Hi! My car is losing fuel pressure while wot or even in normal conditions if I drive it for more then 30 minutes then dies. I get direct injection cutout and low fuel pressure codes. I tried to change:
-hpfp
-lpfp
-ekpm
-lpfp sensor
-injectors are all index 12 cleaned and verified
-checked every fuse in the fuel tank
The las remaining is the fuel pressure regulator. What do you guys think? I am to a dead end....

Here is the log in second gear and you will notice how the fuel pressure drops when wot. After I parked the car the lpfp drops from 72 at idle to 60, 50, 40, 30, 20, 10 to 0. It drops constantly.

datazap.me | geo467 | Lpf drops

datazap.me

 

[IQraceworks]

Yeah, that's odd. When you say you "tried to change" all of those items in your list, I'm assuming you mean you actually changed them? When the LPFP drops to 0 and the car dies, what happens when you fire it right back up? Does the LPFP go back no normal as soon as the engine fires back up, or is it still down at 0?