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Old 07-27-2011, 06:21 PM   #2 (permalink)
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graydonengineering's Avatar
Join Date: Jul 2011
Location: Tucson, AZ
Posts: 147

Frontier 2wd 2.4L 5 speed - '98 Nissan Frontier XE
90 day: 27.87 mpg (US)
Thanks: 34
Thanked 53 Times in 27 Posts
Summer AC use? Using AC could certainly drop your MPG that much. Also, do you have your tires at max? Gradual presure drop can sneek up and steal your gas too. You should also run a good injector cleaner such as Seafoam if you have not already.

Best 15-mile commute city/highway mix: 37.7 mpg
Best tank so far: 31 mpg
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