Thread: New guy with `03 Mazda Protege
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Old 07-01-2008, 11:37 AM   #10 (permalink)
ebacherville
Veggiedynamics
 
Join Date: May 2008
Location: Alexandria, MN
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Volt12 - '12 Chevy Volt base
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get a scan gauge.. far easier than some DIY solution and well worth the price.. if it helps you get 10 mpg gain you'll pay for the scan gauge in 3000-4000 miles.
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