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1997 GMC Sierra

1997 GMC SIERRA
18,500 MILES • V8 • 2WD • AUTOMATIC
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FREDDYB1109
  • MEMBER
  • 1 POST
my truck doesn't wannt to start on its own, i have to prime it to get it started but once its started it stays running on its own. So i was wondering if it might be the fuel filter, so i replaced it and it still acts up. Fuel pump? tune up?
Feb 6, 2009 at 4:03 AM
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2CARPRO JACK
  • ✓Experienced Mechanic
  • 11,533 POSTS
Sounds like a weak pump. Sometimes they will give enough to run the truck, but on a cold start they cant supply enough pressure for the enrichment for cold start or they bleed pressure down and air gets in the lines
Feb 6, 2009 at 11:38 AM
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