1997 GMC Suburban Fuel Pump

1997 GMC SUBURBAN
155,555 MILES • V8 • 2WD • AUTOMATIC
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STEVEBYRD
  • MEMBER
  • 1 POST
Replaced the fuelpump. It worked for a week. Replaced again. Powers up for about 2 seconds then stops. Replaced fuel filter and fuel pump module. Suggestios?
Jun 11, 2010 at 7:11 PM
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BLUELIGHTNIN6
  • CAR REPAIR CONTRIBUTOR
  • 16,542 POSTS
check fuel pump relay , pump should only prime for 2 or 3 seconds when key is first turned then it will shut off until engine is cranked. you certain it's a fuel issue?
Jun 11, 2010 at 7:20 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Inspect and test the fuel pump balance relay and the fuel pump and oil pressure sending unit
Jun 11, 2010 at 7:24 PM
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