2001 GMC Sierra increase hard starting

2001 GMC SIERRA
105,000 MILES • V8 • 4WD • AUTOMATIC
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WM IVERSON
  • MEMBER
  • 1 POST
01 gmc 8.1 litre, increased hard starting will crank ten times , then rest, ten more, then rest , then will fire under normal cold starting. after hot seems to overload at idle and can smell fuel
Jul 12, 2008 at 9:34 PM
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2CARPRO JACK
  • ASE Certified Mechanic
  • 11,533 POSTS
  • ASE Certified Mechanic
Sounds like a blown fuel pressure regulator> should be on the fuel rail with a vacuum line to the intake. remove vacuum line at reg and if any fuel is present replace the reg
Jul 13, 2008 at 8:15 AM
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