Hybrid Car – More Fun with Less Gas

reserve fuel - Page 4

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Posted by DougSlug on April 7, 2007, 2:56 pm

Speaking of the fuel system, this may be of interest:


 - Doug

Posted by Michael Pardee on April 7, 2007, 4:25 pm

That's a great site, Doug.

Posted by on April 8, 2007, 11:51 am

I used to think the bladder was shaped  like an enema bag or an intravenous
drip bag one would see in a hospital. So, my question, if you can answer it,
does this bladder simply rise as it's filled or does it expand all around?
Is there really a way an over-fill gets dumped (wasted)?

Posted by Michael Pardee on April 8, 2007, 2:09 pm

Dunno about how it expands. From the pictures there and at
http://www.autoshop101.com/forms/Hybrid13.pdf  it looks like it just expands
vertically. The same link says "Trying to force additional fuel into the
tank pushes excess fuel into the EVAP system. This may cause an EVAP DTC and
may even require the replacement of some EVAP system components." I've heard
of charcoal canister replecements that were blamed on overfilling, but I
have no direct knowledge.


Posted by mrv@kluge.net on April 10, 2007, 8:49 pm


It hasn't happened to me personally (always attend to the nozzle while
filling, and stop putting gas in when the pump clicks off the first
time), but reports are that if you overfill, expect the bladder to
belch/spit up fuel at you and all over the side of the car...

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