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04-15-2010, 12:47 PM | #37 | |
Drives: 2008 Yaris Sedan Join Date: Feb 2010
Location: Oklahoma City, OK
Posts: 323
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Quote:
-Steve Last edited by sbergman27; 04-15-2010 at 01:00 PM. |
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04-15-2010, 03:14 PM | #38 | |
Banned
Drives: '10 Yaris5drHB+99 4runner LTD Join Date: Sep 2009
Location: NE
Posts: 672
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Quote:
it is hearsay. most vehicles have the same issue. fuel system components are tightly designed and WELL THOUGHT OUT by very smart engineers so it won't catch fire in an accident, yet still do it's job. half the comments on this forum assume no thought went into each and every piece of the car, but the fact is: millions were spent on very careful analysis of everything, bumper-to-bumper. you want it different ? buy a different car, case closed. Last edited by 127.0.0.1; 04-15-2010 at 08:04 PM. |
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04-15-2010, 07:39 PM | #39 | |
Drives: 2008 Yaris Sedan Join Date: Feb 2010
Location: Oklahoma City, OK
Posts: 323
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Quote:
-Steve Last edited by sbergman27; 04-15-2010 at 09:27 PM. |
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04-15-2010, 11:58 PM | #40 |
Steals terrorist's lunch
Drives: 2007 Yaris Liftback Join Date: Mar 2007
Location: Reno, Nevada, USA
Posts: 1,299
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The problem is that even if you don't damage the EVAP system by overfilling you're causing huge amounts of raw emissions to come blasting back out of the filler neck and right into your local atmosphere. These fumes are carcinogenic (cancer causing) to humans and toxic to most plant life, so one should not cause nor experience unnecessary exposure.
The auto-stop feature on fuel pumps is in place for a reason.
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- Brian Share the Road I often carry 2 carpool passengers and mountain bikes or snowboards/skis over a 4,500 foot elevation difference. Click the graphic above to see my detailed mileage logs. |
04-16-2010, 01:02 AM | #41 |
Learn to Relax
Drives: 2007, Meteorite, LB Join Date: Dec 2008
Location: Anaheim, CA
Posts: 2,070
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I would guess that it would be between 3 to 4 gallons.
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04-16-2010, 01:15 PM | #42 | |
Drives: 08 Sedan Join Date: Oct 2008
Location: Tyler, TX
Posts: 899
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Quote:
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04-16-2010, 02:05 PM | #43 |
Drives: 2008 Yaris 5 speed HB Join Date: Oct 2008
Location: NH
Posts: 171
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@sbergman27 - fuel pump
Actually your pump will not `blow up' as soon as you run it dry. However, it is then sitting in an empty tank with a little air, plenty of residual fuel fumes, and that is certainly somewhere that you don't want a spark to occur from the motor brushes or to have lots of excess heat. Many modern pumps pull the fuel right through the pump motor and everything whereby the liquid fuel is helping to lubricate the pump and keep it operating cooler. A 50's or 60's pump may have had slightly less wear or damage from running dry, but it would never have continued to be efficient at the 400K miles and beyond that the current pumps are doing. The newer pumps are also 1/3 to 1/4 the size and weight of those old style pumps, which certainly helps in the Yaris. By the way, I was making drafting changes to designs of GM fuel pumps of this type back in the late 80's, in my first engineering job. (while still in school) You can bet every component in a modern fuel system has been reviewed and improved dozens of times. The modern pump is in fact designed so it can safely run dry...on occasion. But you shouldn't do it every fill up. The current design was optimized to extend the life of fuel system well beyond the vehicle life and to minimize weight. I think there is a lot of really good design work evident in my Yaris for the money that I spent on it. |
04-16-2010, 10:49 PM | #44 |
Drives: 07 Yaris LB Join Date: Aug 2007
Location: Fort Lauderdale
Posts: 179
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Analog will be always much better no doubt.
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04-16-2010, 10:49 PM | #45 |
Drives: 07 Yaris LB Join Date: Aug 2007
Location: Fort Lauderdale
Posts: 179
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You have a very good point, the shape of the tank can have a lot to do with imprecise gas gauges.
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