2000 SIERRA 4

2000 GMC Sierra

Tiny

2000sierra

January, 14, 2013 AT 6:40 PM

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

FOUND 25379 RELATED QUESTIONS

Cj Stalling When Idling

33 ANSWERS
50 IMAGES

Stalling Out

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52 IMAGES

1 Answer

Tiny

rasmataz

January, 15, 2013 AT 10:59 PM

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

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