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Fuel pump

Ok it's been a while since I posted and I'm still dealing with the same issue as before bucking and bogging and narrowed it down to the fuel pump. Swapped tank with a known good one from brothers truck as the old one was contaminated. Anyway this is the 3rd fuel pump in the truck now. Delphi...
- short1500
- Thread
- Feb 20, 2024
- Replies: 6
- Forum: Engine Performance + Maintenance
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Surging and bucking when warmed up

Hello new to the forum. I just purchased a 1990 c1500 short bed 5.7l. I'm having issues that I can't figure out. Ok so when I dive my truck when it warms up it will start surging and bucking. I'll pull over and restart and will be good for a few minutes then start doing this again. I replaced...
- short1500
- Thread
- Jul 3, 2023
- Replies: 48
- Forum: Engine Performance + Maintenance