HI

I have 1991 volvo 740 wagon non turbo with the Regina fuel system. 367000miles Just a few weeks ago the engine is stop . After a 30 minutes waiting re started and engine works . and after 20 miles stops. I replace the fuel filter .no change .Last week stop working .. The fuel pump in the fuel tank not working. I checked the relay no change . I pulled out the fuel sender unit and changed the pump . Not working . I running out option. Any one can help?
Sincerely JEG

 

Change your CPS, crank position sensor--pretty sure that's your problem.