- #94 of 304
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Winter fuel additives
by kenym
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Nov 17, 2006 (9:36 am)
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I live in North East Ohio and I believe they start using winter fuel additives around the end of October. My wife's 06 Corolla S was averaging 30+ since she bought it in May.
However since the end of October her mileage has dropped to about 27 or 28 mpg. Nothing in her driving habits has changed. We still fill up at the same place. Still use 87 Octane and the car seems to run and idle the same. Just the difference in the mpg. I was told the reason for the winter fuel additives is to prevent fuel line freeze up. The gas itself wont freeze but the condensation in the lines could freeze and cause the car to stop running. I believe they remove the additives around the end of March or early April.
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- #95 of 304
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Re: Winter fuel additives [kenym]
by quietspirit
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Nov 23, 2006 (11:32 am)
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Replying to: kenym (Nov 17, 2006 9:36 am)
Wow. You really keep track of your car's MPG.
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- #96 of 304
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Re: Winter fuel additives [quietspirit]
by kenym
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Nov 24, 2006 (8:40 am)
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Replying to: quietspirit (Nov 23, 2006 11:32 am)
Yes I do. I am retired and golf season is just about over here in Ohio, so I have a lot of time on my hands and it gives me one more thing to drive my wife nuts with. 
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- #97 of 304
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Re: M.P.G. for 2006 corolla 5 speed vs. automatic? [rar256]
by cxc
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Dec 03, 2006 (5:09 am)
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Replying to: rar256 (May 12, 2006 10:47 am)
I had a rental 2004 LE auto for a week about two years ago. I got 42 MPG on average. I simply did not believe that it is TRUE. After using the navigation system of my Lexus to check how many miles it really is from my home to my work in addition to MapQuest, it turned out that the Corolla recorded 23 miles for a 17 mile trip. The real average MPG for that Corolla is about 31 MPG as compared to a 24 MPG of my Lexus.
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- #98 of 304
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Re: M.P.G. for 2006 corolla 5 speed vs. automatic? [cxc]
by kenym
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Dec 03, 2006 (2:33 pm)
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Replying to: cxc (Dec 03, 2006 5:09 am)
I don't know about your rental Corolla or how you came up with the 6 mile difference, but my wife has a 2006 Corolla S auto and up until last month when they started adding the winter additives in the gas she averaged 30 + in the city and around 38 + on all highway driving. I have never noticed a difference in the trip or actual odometer readings either and I do pay attention to the mileage.
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- #99 of 304
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Re: M.P.G. for 2006 corolla 5 speed vs. automatic? [kenym]
by hoopitup2000
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Dec 05, 2006 (1:30 pm)
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Replying to: kenym (Dec 03, 2006 2:33 pm)
Yes,it is a good idea to check the accuracy of your vehicles odometer if you want to get accurate MPG figures. A good way to do this is to use the mile marker signs on any interstate highway. I have found that my Corolla is off by 3 miles for every 100 miles of travel.(I checked this on 2 different roadways just to make sure).
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- #100 of 304
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Re: M.P.G. for 2006 corolla 5 speed vs. automatic? [hoopitup2000]
by kenym
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Dec 05, 2006 (2:23 pm)
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Replying to: hoopitup2000 (Dec 05, 2006 1:30 pm)
I have to admit I never checked it that close. I did the mile marker thing on the interstate several times and it seemed to check out, but being off three miles for every 100 miles ( 3% ) is really bazaar. My wife doesn't use the interstate very often and we don't use the Corolla when we travel. However I wonder what would cause that.
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- #101 of 304
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Re: M.P.G. for 2006 corolla 5 speed vs. automatic? [kenym]
by nippononly
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Dec 16, 2006 (11:21 pm)
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Replying to: kenym (Dec 05, 2006 2:23 pm)
Apparently many cars of different makes have speedos that read 2-4% high, so that if it says 65 you are actually doing more like 63. Naturally, that would mean that when the odomoeter said you had gone 100 miles, you would only have actually gone 97.
But the fellow whose total trip distance went from 23 miles down to 17 is relying too much on the mapquest thingy which is not giving him the information he thinks it is. That would mean that when his speedo said 60 mph, he was actually going 45, and I think he would have noticed something like that, don't you? 
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- #102 of 304
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Re: M.P.G. for 2006 corolla 5 speed vs. automatic? [nippononly]
by kenym
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Dec 17, 2006 (8:18 am)
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Replying to: nippononly (Dec 16, 2006 11:21 pm)
Yes I do agree with you. I believe even at 3% I would notice that my speed was off. I live in the city and travel through a lot of school zones every day. Most of which are monitored by the police, and believe me they strictly enforce the 20 MPH speed limit. ANYTHING over 20 MPH is pulled over and ticketed ( and rightfully so ). We also have some school zones who post your speed on a monitor above the road. I always check the speedo with the monitor more out of habit than anything else but if it wasn't the same I would definitely take it to the Dealer to have it checked.
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- #103 of 304
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Re: M.P.G. for 2006 corolla 5 speed vs. automatic? [kenym]
by electrobuzz
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Dec 23, 2006 (12:35 pm)
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Replying to: kenym (Dec 17, 2006 8:18 am)
I doubt you (or more importantly, the fuzz) would notice a 3% difference in observed vs. actual speed at 20 MPH. Unless the detector rounds up, you'd still be at 20 MPH (20.6)!
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