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Old 10-22-2008, 03:08 PM   #73
BailOut
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Originally Posted by dvlnblkdrs View Post
but bailout, wouldnt that same issue effect those of us living in warm climates much less if any at all? the coldest it really gets here is like 60 degrees...
Correct. Anywhere that doesn't see the colder temperatures won't notice this issue except when the car is warming up from a cold start. It's more an issue for the northern latitudes and/or higher altitudes.
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Old 10-22-2008, 03:10 PM   #74
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yay i got one right! lol
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Old 10-22-2008, 04:22 PM   #75
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I guess Bailout is pretty much the MPG authority here on the forum...
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Old 10-22-2008, 04:34 PM   #76
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Yes. That took me about 3 hours to figure out, lol.
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Old 10-22-2008, 06:26 PM   #77
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indeed.. hes the enviornmental guru if you will..
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Old 10-22-2008, 08:36 PM   #78
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I have several things to add,bailout is well known around here for exactly that,but there are some problems.I have a low pressure thermostat cap,and a low temp thermostat,(I have scanguage2)my old driving temp was 183-186,now its 159-163,I have had no effect in fuel milage,I swear.
And we have talked about turning off the engine at a light,all it does is piss people off behind you,these lights are already to short in my state,GA,to try and always look at the light,turn your engine on,put it into gear,and then go,that takes about 3-5 seconds if your fast,10 seconds if your slow,now imagine if everyone in the line tryed this,maybe 3-4 cars would get past the light,this is a big waste of time,unless your a die hard hypermiler.
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Old 10-22-2008, 08:52 PM   #79
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indeed, but there is nothing saying that you must do this.. it is worth it to some, not worth it to most. there are so many other ways, most have been mentioned that have a greater effect on ur mpg. utilize those and you will be green and others will envy ur mpg
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Old 10-23-2008, 12:43 AM   #80
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Quote:
Originally Posted by eco View Post
I have a low pressure thermostat cap,and a low temp thermostat,(I have scanguage2)my old driving temp was 183-186,now its 159-163,I have had no effect in fuel milage,I swear.
I'm not sure what to make of that as when my temps are that low all of the rich mixture signs are there (low MPG, high idle, etc.). Perhaps your ECU has relearned the temperature zone you've forced it into? Or perhaps your mileage was already low due to aggressive driving so the dip with the lower coolant temperature wasn't so noticeable? It'll be hard to tell without having your mileage logs from both before and after the thermostat changes available.

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turn your engine on,put it into gear,and then go,that takes about 3-5 seconds if your fast,10 seconds if your slow
Whoa. Even with an AT-equipped vehicle that sounds slow, especially if your starting in Neutral. With the MT I've never caused a delay for anyone as if I'm in front I watch the lights to know when to restart and am quite often the first one off the line (albeit at a moderate acceleration pace), or even if I miss the timing most folk's reaction times are so slow that I end up taking off at the same time as the other vehicles. If I'm back in the pack I wait until the car 2 ahead of mine starts moving before I start up and it works out just fine.
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Old 10-23-2008, 02:08 AM   #81
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BailOut, you got some amazing mpg marks by far!! Good tips too. I may try this vent blocking method.
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Old 10-23-2008, 03:53 AM   #82
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Here are my two cents with regards to what you posted:

-Coast as much as possible (DFCO)
-If you are going downhill, go into N to build up speed so when you hit an uphill segment, you can bleed off more speed. In fact, even on small downgrades I prefer N over DFCO as DFCO slows the car down much faster. While in N, I get between 50-100 mpg depending on the speed I am going, whereas in DFCO you get infinite MPG, but you will need to accelerate more at the end of the hill, and from my experience, gaining speed in N gets better MPG.
-Drive 55MPH on the highway
-I find 50-53mph is the sweet spot when it comes to MPG figures. While it may be hard to drive this "slow" due to majority of drivers ignoring the speed limit, with a bit of "sang froid" and awareness, you can do this.
-Coast to stop signs and lights
-If you know the behavior of the traffic lights, you can even go into N and turn the engine off while you glide up to the red light. This will take some getting used to.
-Windows cracked open about an inch to prevent fogging
Keeping the air vent open but not on also helps, even if only a little bit.
-Let car idle only for 30 seconds to warm up, otherwise none
I never idle if I can truly avoid it. As soon as my car is on, I am in motion. It is always better to just drive the vehicle, as it will warm up much faster.

Additional things:
Get a Scangauge - you truly cannot maximize your mpg without it.
Visit Cleanmpg.com and read up on their fuel-saving tips.
Pump tires to sidewall max
Remove all unnecessary weight (rear seats, spare tire if you dare)
Partially block upper grill during colder weather, and you can safely block the entire lower grill as well. I will be posting a DIY with a vinyl grill block once I am done to show what I mean.

Sadly, since I have an Auto I am "impaired" by just that much, but my last 6 tanks have been over 48mpg, and my record thus far is 53.7 mpg (440 miles on 8.2 gallons).
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Old 10-23-2008, 08:03 AM   #83
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Sadly, since I have an Auto I am "impaired" by just that much, but my last 6 tanks have been over 48mpg, and my record thus far is 53.7 mpg (440 miles on 8.2 gallons).

With automatic?....in my books that's outstanding
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Old 10-23-2008, 10:10 AM   #84
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yarswiss is rockin' it!
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Old 10-23-2008, 06:47 PM   #85
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yarswiss is rockin' it!
Thanks Brian My MPG goal has been to reach or surpass you figures. Someday I will beat you!
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Old 10-23-2008, 07:38 PM   #86
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Thanks Brian My MPG goal has been to reach or surpass you figures. Someday I will beat you!
Now is the time to do it. Gone are my days of solo commutes and light weight, and that shows in my trackable mileage.

What that number doesn't show is how utilitarian my Yaris has become. 2 carpoolers 5 days a week, outings with my Little Brother on the weekend, grocery run and most errands by bicycle instead of car (this used to be one of my high mileage times as it's all on the mostly flat valley floor), much fewer highway trips to Sacramento (which was the whole point of me setting up all of the remote tools and equipment down there), carrying 2 mountain bikes or 2-5 snowboards or pairs of skis roughly 300 days per year, etc.

All of that is much more efficient than solo commuting, and totally more efficient than any of it being done with a larger vehicle, but it does hurt the trackable MPG number.
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Old 07-29-2010, 04:52 PM   #87
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Hello I'm brand new to this forum.

I bought my 2004 Yaris D4D (with 110K miles on the clock) six weeks ago and have done about 1800 miles in it. First two tank fulls after I drove the car at "normal" speeds I got 60 and 63mpg. After the third fill up I drove as carefully as I could over a 520 mile range (I couldn't stand driving so slowly any more) and got 75mpg. This was mixed town and motorway with many short journeys. This was just after an oil change, I used Castrol Edge 5W-40 Diesel.

I think it is a brilliant car and I can't believe how you can get such decent performance from such an economical car. Only one little prob, I've had to put some washers and longer bolts on the seat front mounts to tilt it back a bit.

I don't know if I've got a wheel bearing going but there is a very slight "werring" noise which is relative to road speed which gets louder the faster you go. I've jacked up and spun all four wheels but can't find any problems. Any advice about possible causes of this sort of noise would be appreciated.
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Old 07-30-2010, 02:56 PM   #88
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It seems I've made a mistake! I am in the UK, I now realise this is an American forum, so my mpg figures won't compare!! All the best you guys, I'm off to find a UK forum!

Regards
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Old 07-30-2010, 04:11 PM   #89
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If DFCO actually uses no gas, then if you are running your AC when you are coasting, you are not using any fuel so it can't cost any gas to run it.

The cost difference between running the AC and not running it is so small that you really want to be hot.
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Old 07-31-2010, 08:25 AM   #90
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Holy Crap! Thread revival... cool!

Mostly DFCO glides! I love hills...

Cheers!
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