2004 volvo 780

hi all
i have a volvo 780 powered by ved12
the truck starts ok some times but most of thr times i have to crank it foe a minute then starts and runs for a few min and die and its show on the display somteng like a fuel pump and 3 curly lines under that pump but my tanks are almost full
i changr the filters and i check for a leak but noting found
can anyone help please

 

second problem is the auto transmision with cluch
when i select the D or R the gear display the selected gear but flushes and its show a arrow down and noting hapen

 

ok i have to try that
i hope thats all
thank you

 

thank you NoCoCraig

 

i try that but the reservoar is full

 

i just order the return valv and all the o-rings for the feul lines
hope thats all
some one sed to me the injectors cupper cups are bed or the injectors, i hope not

 

I did everything outside I could but nothing changed the same thing as before
Anyone who has the same problem or experience in this case
Please help