Excessive gas usage, blowing white gas smelling exhaust, black carbon build up out exhaust

Tiny
D55PRICE
  • MEMBER
  • 1992 BUICK
  • 10,000 MILES
I have a 1992 bravada 4.3 vortech, I replaced plugs, cleaned oyxgen sensor, what else can it be?
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Thursday, December 15th, 2011 AT 8:31 PM

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Tiny
RASMATAZ
  • MEMBER
Sounds like the spider assy under the upper plenum is leaking open it up and investigate
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Thursday, December 15th, 2011 AT 9:00 PM

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