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5.3 Fuel Economy/ Programming?

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Old 09-11-2006, 04:35 AM
jpgoodnu's Avatar
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Default 5.3 Fuel Economy/ Programming?
Anyone have any info on improving the gas mileage on my 2002 5.3 Z71? Any experience with the "programmers" on Fuel economy settings?
 
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Old 10-01-2006, 07:34 PM
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Default RE: 5.3 Fuel Economy/ Programming?
I can usually get 3 to 4 mpg, the performance tunes have a much bigger effect and do not hurt mileage, they just dont help much either, about 1 to 2 mpg better. goodguysgarage.net
 
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