Winter Gas Causing Drop in MPG? - Toyota Yaris Forums

Hershey · 12-09-2009, 11:55 PM

yup , between ethanol , winter blend , colder weather ( longer idling to defrost windows ) , studded snows , and rain / snow / ice covered roads the mileage has dropped 4 > 6 m.pg. for both YARIS .

RedRide · 12-13-2009, 05:18 PM

Quote:

Originally Posted by Hershey

yup , between ethanol , winter blend , colder weather ( longer idling to defrost windows ) , studded snows , and rain / snow / ice covered roads the mileage has dropped 4 > 6 m.pg. for both YARIS .

Agreed.

The ethenol actually burns cleaner than gas and the cold air enables more oxegen in the fuel mixture.

However, as you (and others) have pointed out cooler air means longer idiling times and this alone can make a differece in MPG.

Yaris Hilton · 12-13-2009, 05:34 PM

I often have to put on my defroster and then realize much later I've still got it on when it's no longer needed. The defroster runs the air conditioning compressor, so it eats gas.

hpvampiress · 01-06-2010, 05:38 PM

Quote:

Originally Posted by Yaris Hilton

I often have to put on my defroster and then realize much later I've still got it on when it's no longer needed. The defroster runs the air conditioning compressor, so it eats gas.

Ah! That's probably why my gas mileage has dropped so much lately! Along with winter road as well, of course.

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12-09-2009, 11:55 PM	#1
Hershey Drives: 08 Yaris sedan auto / Fit auto Join Date: Oct 2009 Location: northeast Posts: 2,897	yup , between ethanol , winter blend , colder weather ( longer idling to defrost windows ) , studded snows , and rain / snow / ice covered roads the mileage has dropped 4 > 6 m.pg. for both YARIS .

12-13-2009, 05:34 PM	#3
Yaris Hilton Half a Bubble Off Plumb Drives: 2009 Yaris Sedan Join Date: Mar 2009 Location: Bristol, Tennessee, USA Posts: 1,593	I often have to put on my defroster and then realize much later I've still got it on when it's no longer needed. The defroster runs the air conditioning compressor, so it eats gas.