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1994 Buick Roadmaster No fuel to engine

Tiny
SDLOGAN5286
  • MEMBER
  • 1994 BUICK ROADMASTER
  • V8
  • 2WD
  • AUTOMATIC
  • 186,000 MILES
My Roadmaster recently stopped running one morning. For two days I tried starting it once a day. On the third day, it started right up. I drove it for a week and it stopped running again. Realizing it wasn't getting any fuel, I replaced the fuel pump relay, fuel pump, fuel pump strainer, and fuel pump wiring harness. After installing the new parts, the fuel is not even leaving the fuel pump. How do I prime the fuel pump, besides turning the key on and off? And are there any sensors that could also cause this problem
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Tuesday, September 29th, 2009 AT 10:41 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hi
So pump is running? If no does relay click when engine cranked?
Let me know
Thanks for donate
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Wednesday, September 30th, 2009 AT 10:28 AM
Tiny
SDLOGAN5286
  • MEMBER
  • 2 POSTS
The pump isn't coming on when installed in car. I checked the fuel pump with a 12v source and the connection under the rear bumper with a test light. Also replaced the fuel pump relay two days before replacing the pump. I was told that the fuel pump is grounded to the oil pressure sensor (switch) and that could cause a no fuel situation.
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Wednesday, September 30th, 2009 AT 8:27 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Yes it could located top right rear engine. Put jumper wire from gray wire to orange pump should run if switch faulty
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Sunday, October 4th, 2009 AT 1:49 PM

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