01-23-2008, 06:35 PM | #1 |
Old Fart
Join Date: Oct 2005
Carmudgeonly Ride: T4R,GTI
Location: San Diego
Posts: 8,576
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bad gas mileage in our wagon
My wifes wagon seems to be getting worse gas mileage. She used to average in the low 20s, recently it has gone down to around 20, the last tank was ~19. She is a stay at home mom so I think he driving varies a lot but nowadays mostly city. So it could be her driving but it seems like it is worse then is should be, especially since she drives like a grandma.
Any clue what could be wrong? Airfilter changed semi recently, cars seems to idle/run ok, pumped her tires to 33 for all 4 before her last tank, It is 6 years old with about 80k on it, 5MT. TIA Jeff |
01-23-2008, 07:44 PM | #2 |
The user formerly known as rwg
Join Date: Oct 2003
Carmudgeonly Ride: Z4
Location: Vegas baby!
Posts: 8,261
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Fuel filter changed? That seems like something that might be due.
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01-23-2008, 08:22 PM | #3 |
Old Fart
Join Date: Oct 2005
Carmudgeonly Ride: T4R,GTI
Location: San Diego
Posts: 8,576
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yeah I was thinking that too, sounds dumb but would clog one use less gas engine would stumble? guess it could overcompensate then
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01-23-2008, 11:08 PM | #4 |
Slacker Extraordinaire
Join Date: Oct 2003
Location: Reno, NV
Posts: 3,724
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Perhaps the plugs are due for replacement?
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2016 Toyota Sienna SE - hers 2002 BMW 325i - his 1994 Chevrolet Silverado K1500 Sportside Z71 - whoevers vehicle is in the shop 2009 Harley-Davidson Sportster XL883 Low (Vivid Black) - his 2018 Can-Am Spyder RT Limited - hers 2007 Harley-Davidson Sportster XL883 Low (Pearl White) - hers (SOLD 02/29/20) 2011 Tao Tao 50 - whoevers bike is in the shop 2007 Reinell 186 FNS - the dog's 1995 Fleetwood Flair 27R - EVERYBODY'S ! |
01-24-2008, 03:00 AM | #5 |
Slacker Extraordinaire
Join Date: Oct 2003
Location: Reno, NV
Posts: 3,724
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Formulation of gas can also be a factor.
In the winter, my mileage decreases about the same amount as your wagon.
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2016 Toyota Sienna SE - hers 2002 BMW 325i - his 1994 Chevrolet Silverado K1500 Sportside Z71 - whoevers vehicle is in the shop 2009 Harley-Davidson Sportster XL883 Low (Vivid Black) - his 2018 Can-Am Spyder RT Limited - hers 2007 Harley-Davidson Sportster XL883 Low (Pearl White) - hers (SOLD 02/29/20) 2011 Tao Tao 50 - whoevers bike is in the shop 2007 Reinell 186 FNS - the dog's 1995 Fleetwood Flair 27R - EVERYBODY'S ! |
01-24-2008, 08:58 AM | #6 |
lawn boy
Join Date: Oct 2003
Carmudgeonly Ride: e46m3, f25x3,C5 Z06, C4 Vette, 06 CTD Ram, and a trailer
Location: Maryland
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01-24-2008, 09:44 AM | #7 |
Alphanumeric
Join Date: Aug 2005
Carmudgeonly Ride: 981S, 340i
Posts: 9,587
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Before our subie engine died (the 2.2 that's supposed to live forever) it's mpgs dropped for a few months. It went from 27-29 to 24-25. We did plugs, wires and coolant flush to see if things would improve (at 81k). On that first tank, the head gasket went (no relation to the coolant flush ).
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01-24-2008, 11:45 AM | #8 |
Old Fart
Join Date: Oct 2005
Carmudgeonly Ride: T4R,GTI
Location: San Diego
Posts: 8,576
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thanks guys, could be the gas, just such sh!ty gas mileage I do think I need to switch out the fuel filter and plugs
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