2000 SIERRA 4

  • Tiny
  • 2000sierra
  • 2000 GMC Sierra
  • 132,000 miles

2000 sierra 4.3, turn key on have 60 psi on testor, you can hear the fuel pump run for 2 secs, then gauge drops back to 0, when running, it bounces between 48-54 psi, then dies, wont stay running

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Monday, January 14th, 2013 AT 6:40 PM

1 Reply

  • Tiny
  • rasmataz
  • Member

Sounds like the fuel pump is weak or it has a leaky injector or fuel pressure regulator

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Tuesday, January 15th, 2013 AT 10:59 PM

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