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Originally Posted by 986chris
so a couple of weeks ago I took the forums advice and started burning prem. in my truck. 03 silverado 8.1. so my commute is about 5-7 min. at 35 mph. my computer avg. mpg has dropped about 2 mpg since I started this short drive. when i,m driving it shows my instant avg is 6-8 mpg which seems odd given the low speeds. anyone help me clarify this, is the computer correct, or is the data gathered effecting the outcome. dosen't matter much since my fuel bill is now $25 a week.
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The only problem is that it's a GM product. I have a GMC Yukon something odd always going on with a GM vehicle.
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2000 Boxster S: 18" Turbo wheels w/color crests, Litronics, Onboard Computer, Traction control, Cruise, Painted rollbar, Leather interior, Aluminum package, headlight washers, Porsche GT3 seats, windstop, Hi Fi six speaker amp package, DSP, CDR 220, Limited Slip, side airbags, BK Rollbar extender.
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