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Old 12-14-2012, 03:08 PM   #2605
PuyallupCoug
Scooby Newbie
 
Member#: 337092
Join Date: Nov 2012
Location: Kirkland, WA
Vehicle:
2013 Impreza SLTD 5d
DGM

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Quote:
Originally Posted by flyboy1100 View Post
your commute it too short to see good numbers, 1/2 of your commute or better is used just to warm up the engine.

for example, my commute is 41 miles 1 way. when it is 15F outside and i had it plugged in it takes 1-1.5 miles for the blue light to turn off, then an additional 15 miles to get everything else up to temp. my MPG will improve 4-5mpg from start to after everything is fully warmed

someone posted it i think in this thread but every time you start from cold your car will burn .25 gallons to warm the engine, so you are burning 2.5 gallons/week just for that purpose
Gotchya, thanks for the insight. I'm going on a 100 mile trip this weekend with a fresh tank of gas so we shall see about the MPG. I'm just hoping it's my commute and not something wrong with my car.
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