exesive gas usage on 4.8 chev vortex eng

2002 CHEVROLET SILVERADO
82,000 MILES
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ROBERT D KUCHTA
  • MEMBER
  • 1 POST
only 10 miles per gal? vac reads 54inch runs perfect no codes.
Mar 16, 2012 at 4:04 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Reduced gas mileage could be caused by any part of the vehicle-start with a badly needed tune-up, wheel alignment,suspension,brakes, transmission problems, etc. Hard to say what's causing it -
Mar 16, 2012 at 4:12 PM
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