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Wont crank

Tiny
TRU C SMITH
  • MEMBER
  • 1998 CHEVROLET SILVERADO
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 210,000 MILES
My truck recently quit on my while driving. It was diagnosed with a bad fuel pump. After getting my fuel pump replaced it still does not crank. The only way it will crank and run is if I pour a little gas inside the throttle body. Then it will run fine until I turn it out and it wont crank unless I repeat the same procedure. What could be the problem?
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Wednesday, August 10th, 2016 AT 12:02 PM

5 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Have you checked the actual fuel pressure you have now? Also you could have a wiring issue or a bad new fuel pump.
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Wednesday, August 10th, 2016 AT 12:17 PM
Tiny
TRU C SMITH
  • MEMBER
  • 2 POSTS
It has a new fuel pump.
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Wednesday, August 10th, 2016 AT 3:47 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Okay and new parts can be bad right out the box. I just had a alternator right out the box with the pulley frozen up could not turn it. Can you hear the fuel pump working?
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Wednesday, August 10th, 2016 AT 5:36 PM
Tiny
TRU C SMITH
  • MEMBER
  • 2 POSTS
Yeah, I can hear the fuel pump come on.
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Wednesday, August 10th, 2016 AT 9:11 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
So what is the actual fuel pressure? Then you would see if you have injector pulse with a noid light.
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Wednesday, August 10th, 2016 AT 9:25 PM

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