Engine is out of a 91 suburban (so 5.0 was a guess) I have recently replaced fuel pump cuz of similar situation. I was driving and it sputtered and died. Would not start again. I was told the accelerator pump needed replacing as I had to spray carb cleaner in it every morning to get it to start otherwise it would take a long time to start. It's still something I'm going to do when I got the cash. Truck was fine except for sputtering when I mashed the pedal. So I didn't do that and drove it casual. Then it died b4 I could fix it. Towed it home. It would start with carb cleaner and die when it burned off so I assumed the fuel pump went bad. Was about to take it out to replace it when I decided to run another test, I sprayed in carb cleaner, started it, it died, I disconnected fuel line from carb and turned key to verify gas was being pumped. It was so now I can rule out fuel pump. Wierd thing is, now it starts fine and stays running. Have started it several times each a success. ??
My car has 99000 miles.
My car has an automatic transmission.
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