So I have a 95 blazer CPI injection yayyy XD I'm thinking it's the fuel pressure regulator but anyways. I was taking some trash out at work a couple nights ago and when I was done I noticed a raw fuel smell from the exhaust the vehicle was running fine no putting or even a miss but SES started flashing, gave it some throttle went away this was after sitting for 10 to 15 min but I've let it sit again since and hasn't done it, I also have a problem with it acting like it's not getting enough fuel it randomly sputters once or twice while I'm driving but it's not bad to the point I have to pull over or anything. I replaced the fuel filter about 10 to 20k miles ago before realizing it was replaced about 30k miles when I got the service record from a shop the original owner took it to when I was diagnosing the spider injector to make sure that was the issue before replacing it Im mechanically inclined but not the best at diagnosing problems like this nor do I wanna just start throwing parts at it like some people any help would be great.