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When trying to start 1995 GMC Sierra it won't.

Tiny
POPEYE6757
  • MEMBER
  • 1995 GMC SIERRA
When trying to start 1995 GMC Sierra it won't get fuel but if you manually put fuel in the throttle body it will start and stay running. Even if the vehicle is only shut off for a short time, to restart you have to repeat this process. Can you tell me what you think this could be?
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Monday, March 11th, 2013 AT 12:26 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Check fuel pressure reg you may be loosing rail pressure this can also be a bad pump bleeding back into the tank, often if you cycle the pump on the key a few times you will get rail pressure up for a start, try this.
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Monday, March 11th, 2013 AT 12:30 AM

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