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12-18-2003, 11:46 AM | #1 |
Scooby Newbie
Member#: 47632
Join Date: Nov 2003
Location: Ottawa, Canada
Vehicle:2013 WRX 4dr Dark Grey |
gas consumption
did search....but still have a questions.
So, I live in Canada and I drive a Forester When I got it this past July, I ran the A/C all the time, shifted gears at 2500. I didn't drive faster that 120Km/hour. I got decient milage. Now in Winter (car is garaged ) same thing except no A/C and the milage is changed to bad...does winter effect these cars that much? could there be something wrong? Any help would be appreciated. thanks _________________
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12-18-2003, 02:14 PM | #2 |
Scooby Specialist
Member#: 19879
Join Date: Jun 2002
Location: Boston, MA
Vehicle:2004 WRX Java Black |
Two words: Winter Gas
Turning the HVAC knob to "Defrost" turns on your AC compressor, even though you don't have the "AC" button depressed. Colder temperatures invariably involve more idling than in the summer months. Additional time spent idling can range from just a little to a whole lot depending on how long you like to warm up your car. All of these factors conspire to give you crummy gas mileage in the winter months. It really shouldn't be more than a few MPGs difference though, unless you idle excessively. How much worse is your mileage? |
12-18-2003, 02:23 PM | #3 |
Scooby Newbie
Member#: 47632
Join Date: Nov 2003
Location: Ottawa, Canada
Vehicle:2013 WRX 4dr Dark Grey |
Thanks.
I generally don't let the car warm up for more that 1 minute. It is garaged and I don't push it until it is warm. My milage has definaley not doubled, but it is noticable. I will chauk it up to winter gas, cold starts and yes the defrost/AC issue. Someone mentioned a bad 02 sensor??? |
12-18-2003, 07:36 PM | #4 |
Scooby Newbie
Member#: 34114
Join Date: Mar 2003
Location: Newbury Park, CA
Vehicle:2003 WRX Wagon WRB |
My old Accord averaged 31 mpg in the summer and 24 mpg in the winter. It was entirely due to the extra (sometimes large) amount of time I spent idling. Last winter the problem went away when I moved to SoCal.
But I still miss winter. A lot. |
12-19-2003, 09:11 AM | #5 |
Scooby Newbie
Member#: 43528
Join Date: Sep 2003
Location: London, Ontario
Vehicle:2004 Outback Sport |
I usually notice a 3-4 mpg difference between summer and winter driving. My idling habits don't change with the seasons and I don't use the defrost much so I chalk the mileage drop up to the winter gas.
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12-19-2003, 11:46 AM | #6 |
Scooby Newbie
Member#: 47632
Join Date: Nov 2003
Location: Ottawa, Canada
Vehicle:2013 WRX 4dr Dark Grey |
Thanks guys
Merry Christmas. |
12-19-2003, 11:18 PM | #7 |
Scooby Newbie
Member#: 46335
Join Date: Oct 2003
Location: reno,nv
Vehicle:2002 wrx wagon wr blue pearl |
Its most likely caused by the oxygenated fuel used in the winter months. The engine wont burn it as efficiently as non- oxygenated fuel. Winter fuel is basically watered down.
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12-20-2003, 12:43 PM | #8 |
Scooby Specialist
Member#: 18453
Join Date: May 2002
Chapter/Region:
NESIC
Location: MASS
Vehicle:MY02 WRX Sport Wagon |
02 WRX auto -
250 - cold weather 300 - warm weather Babied to spirited driving . speaker |
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