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Posted by David Kelly on October 13, 2007, 12:07 pm
Please log in for more thread options Bob & Holly Wilson wrote:
>
>> bwilson4use@hotmail.com (Bob & Holly Wilson) wrote:
>>
>>> I've been running some gasoline energy studies and running the tank
>>> 'dry' lets me change brands with a minimum amount of dilution from the
>>> earlier brand. It is deliberate and some of the results:
>>>
>>> http://hiwaay.net/~bzwilson/prius/pri_fuel_010.jpg
>>> http://hiwaay.net/~bzwilson/prius/pri_fuel_020.jpg
>>> http://hiwaay.net/~bzwilson/prius/pri_fuel_API_020.jpg
>> Will you let us know if you burn up the fuel pump? That's a piece of
>> fun to replace, tell-you-whut.
>
> The Prius is not fragile and the risks are managable. Running out of gas
> works better if you plan ahead. My fuel injectors also continue to work
> inspite of running out of gas.
I believe the fuel pump thing in mostly urban myth.
In the early days of electric fuel pumps some manufacturers and
aftermarket installers cut corners and left the pump running all the
time the ignition is turned on. When the tank is empty this can harm the
pump. Modern systems only run the pump for a few seconds after the
ignition is turned on, then do not run the pump until one has oil
pressure or some other indication the engine is running.
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