1999 GMC C1500

1999 GMC C1500
98,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BILLY YOUNGBLOOD
  • MEMBER
  • 1 POST
truck cranks when you give it a shot of gas directly in intake and will idle for about 2 mins but if you mash accelerater it dies checked fuel lines at intake getting good volume what do i check next
Jan 13, 2008 at 8:28 AM
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MERLIN2021
  • ✓ASE Certified Mechanic
  • 17,250 POSTS
  • ASE Certified Mechanic
You need to test the PRESSURE! with a gauge. Should be around 50psi. If too low replace the pump.
Jan 13, 2008 at 8:31 AM
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