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2007 Buick La Crosse poor fuel economy

Tiny
VINCEW
  • MEMBER
  • 2007 BUICK LA CROSSE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 14,232 MILES
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
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Wednesday, October 1st, 2008 AT 7:50 PM

2 Replies

Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
The estimated fuel economy on the Buick website lists 17city 28hwy. This is an estimate. Your vehicle is not far off from their estimate.
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Tuesday, November 4th, 2008 AT 6:06 PM
Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
https://www.2carpros.com/articles/mitchell1eautorepair-car-repair-manuals
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Tuesday, November 4th, 2008 AT 6:06 PM

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