what cause my car to burn gas so much

1996 BUICK RIVIERA
141,000 MILES • 6 CYL • FWD • AUTOMATIC
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JCFOLLOWERS7
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  • 21 POSTS
i had a 1/2 tank of gas and i will go for 2 days to work and home 4 to 5 miles its burn almost a quarter of gas up what could it be?
Nov 10, 2011 at 11:28 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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