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

Tiny
GGAISBAUER
  • MEMBER
  • 1998 OLDSMOBILE BRAVADA
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 130,000 MILES
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.
Thursday, February 11th, 2010 AT 10:53 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 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
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Tuesday, February 16th, 2010 AT 1:20 PM

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