Ive got good fuel pressure and am not sure if the relay was changed when the fuel pump was. It is also non turbo

Fuel pump just replaced as well. I'm at a loss as to what it could be.

Ive been having this lady for a while now. My volvo will just lose power and die on the side of the road with no warning. Sometimes it will start right back up and other tines it won't. It could go days between episode as well. I have replaced the tps, alternator, mass air flow sensor, cleaned the v...