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1997 GMC Suburban Fuel Pump

Tiny
STEVEBYRD
  • MEMBER
  • 1997 GMC SUBURBAN
  • V8
  • 2WD
  • AUTOMATIC
  • 155,555 MILES
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?
Friday, June 11th, 2010 AT 7:11 PM

2 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 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?
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Friday, June 11th, 2010 AT 7:20 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test the fuel pump balance relay and the fuel pump and oil pressure sending unit
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Friday, June 11th, 2010 AT 7:24 PM

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