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Old 03-26-2013, 06:43 PM   #23 (permalink)
rmay635703
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Join Date: Jun 2008
Location: Somewhere in WI
Posts: 3,185

Silver - '10 Chevy Cobalt XFE
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A new car requires a breakin period and at least 10 fillups to get any type of idea of what fuel economy to expect during the rest of the breakin period.

Next get a decent economy gauge and be patient, your tank to tank can vary a lot depending on how big the fill was, your driving conditions, speed distance and weather. Drive gentle but too fast (mph) and you FE drops, drive agressive and slow with lots of coasting and it may well go up. If you have lots of stops expect it to go down a lot.

So in other words nothing to worry about, a scangage or the like helps but a new car takes a while to settle in.

Cheers
Ryan
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