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After replacing the lift pump I have plenty of fuel now but now the truck will not start?

Tiny
RONALD STORLIE
  • MEMBER
  • 2002 DODGE RAM
  • 5.9L
  • 6 CYL
  • TURBO
  • 4WD
  • MANUAL
  • 119,000 MILES
I have the truck listed above 3500 5.9 Cummins w/turbo 6 speed 4wd. I had low fuel pressure I replaced the lift pump now I have good pressure but now my truck wont start.
Tuesday, November 26th, 2024 AT 4:17 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,844 POSTS
When you changed the lift pump out did you change the fuel filter/water separator as well? There might be air in the line which now is in the high-pressure pump. Did you loosen the feed line to the HPFP? If so, you might need to just crank the engine over until it starts, you may use starting fluid to help get the engine running and purge the air. Please let me know.
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Wednesday, November 27th, 2024 AT 1:20 PM

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