1998 Oldsmobile Bravada poor gas millage/rough idle/smell g

1998 OLDSMOBILE BRAVADA
130,000 MILES • 6 CYL • AWD • AUTOMATIC
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GGAISBAUER
  • MEMBER
  • 1 POST
idles rough, poor gas millage, smell gas and hard to start after first start up and run for a short period of time. i was told by an auto store that it was a vacumn leak. were would i look for this leak. thanks very much for your help.
Feb 11, 2010 at 10:53 AM
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RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 75,992 POSTS
If this is a Vortec CPI spider injection engine-you need to check the fuel pressure. Pressure regulator could be leaking open upper intake plenum and investigate also check the nut kit/poppet valves
Feb 16, 2010 at 1:20 PM
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