Fuel Efficiency and the Yaris - Toyota Yaris Forums

BailOut · 03-27-2009, 12:57 PM

Quote:

Originally Posted by Naya

"When you say you're doing mostly city driving now, is it very very short?" - Yup. Usually about 3km there, another 3km back at the end of the day

Short trips like that will totally kill your FE as the engine never warms up and runs rich the entire time. This doesn't explain why your FE dropped, though. Was your commute (or any other usual driving) a longer distance before?

On a different note, with a commute that short have you considered bicycling it rather than driving it?

voodoo22 · 03-27-2009, 02:20 PM

Quote:

Originally Posted by BailOut

Short trips like that will totally kill your FE as the engine never warms up and runs rich the entire time

This is a huge point which not enough people realize. This winter we cut out almost all our short trips individually and tried to bunch them together into 25km or more circuits (I've read that's about how long you need to run your car before it's warmed up around here). We started walking whenever humanly possible and taking virtually no short trips.

For example, the previous winter I drove nearly 5 times a week to pick up my wife from work only 1 km a way. I even convinced her to start walking it, by meeting her at her office and walking back with her.

This change in behaviour led to plenty of 50mpg tanks in winter and played a large role in increasing our FE by about 10%.

Naya · 03-27-2009, 02:23 PM

Now that it's finally warming up I'm looking at switching to a bicycle :) Canadian winters are a little frigid which is why I was taking the car in the first place. Now that the temp is finally above 0 I'll be switching to bike, and my other half will be taking the car back.

The reason I'm trying to see what to do about the milage is I was a bit worried because his trip is about 35km each way all highway. (To answer the question before anyone asks it, we had 2 cars, one of them got totaled, and a friend from work was able to drive him each day so I got the car.) With the milage as bad as it has been lately that would kill us on gas. I'll see how it does on highway starting next week.

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03-27-2009, 02:23 PM	#3
Naya Drives: 2007 Toyota Yaris Join Date: Mar 2009 Location: Ottawa, ON, Canada Posts: 4	Now that it's finally warming up I'm looking at switching to a bicycle :) Canadian winters are a little frigid which is why I was taking the car in the first place. Now that the temp is finally above 0 I'll be switching to bike, and my other half will be taking the car back. The reason I'm trying to see what to do about the milage is I was a bit worried because his trip is about 35km each way all highway. (To answer the question before anyone asks it, we had 2 cars, one of them got totaled, and a friend from work was able to drive him each day so I got the car.) With the milage as bad as it has been lately that would kill us on gas. I'll see how it does on highway starting next week.