2007 Buick La Crosse poor fuel economy

2007 BUICK LA CROSSE
14,232 MILES • 6 CYL • FWD • AUTOMATIC
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VINCEW
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  • 1 POST
I get 15city and 23 highway shood be 20/30 dealership had the car several times they connected it to computer said nothing wrong with it tried everything tire inflation,clean air filter fuel injection cleaner took highway trip used cruise control 95% of time checked mileage 23mpg dealership said bad driving habits but I turned in a 97 LSS which was getting 19/30 is there anything you can suggest thanks Vince from Pittsburgh
Oct 1, 2008 at 7:50 PM
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DENNYP
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  • ASE Certified Mechanic
The estimated fuel economy on the Buick website lists 17city 28hwy. This is an estimate. Your vehicle is not far off from their estimate.
Nov 4, 2008 at 6:06 PM
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DENNYP
  • ✓ASE Certified Mechanic
  • 1,824 POSTS
  • ASE Certified Mechanic
https://www.2carpros.com/articles/mitchell1eautorepair-car-repair-manuals
Nov 4, 2008 at 6:06 PM
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