Why do I only get 12 mpg.

Tiny
97S10V8
  • MEMBER
  • 1987 CHEVROLET S-10
  • 2,500 MILES
2.8 tbi. Checked fuel pressure, 02 sensor, 5 v. Going to map sensor, no restrictions in air intake. Whats left? 02 sensor was black( but checks good), plugs are somewhat black.
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Saturday, March 3rd, 2012 AT 12:34 AM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
IT sounds like it is running rich.
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Saturday, March 3rd, 2012 AT 3:25 AM

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