Andy,
the only reason I was going to run it empty was to check the size of the
tank. Since the guage and light are conservative, I'd would like to
know how far I can go before I get into a situation where I really need
the info. I wasn't aware of the fuel pump issue. Thanks for the info
Matt
andy levy wrote:
>
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> On 11/7/2004 9:28 PM, Matt Sweeney wrote:
> |
> | Okay, I have a 2004 SXT 4x4, club cab, 3.7L V6, 5 speed. All the
> | documentation states that it has a 22 gallon tank. I've let it go till
> | the guage reads empty and the low fuel light is on, then run it another
> | 15 - 20 miles and the most it ever takes is 16 gallons. I have the
> dash
> | that only has 2 guages (temp and fuel). Is it possible the guage isn't
> | working or are there just 6 more gallons past E and low fuel light? Or
> | is it a 16 gallong tank?
>
> The low fuel light is *very* conservative. My low fuel light comes on
> at between 40 and 50 miles left until empty per the overhead console
> computer. However, doing the math based on actual fuel mileage and the
> 24 gallon tank in my QC, I could theoretically drive about 20 miles
> *past* where the computer says 0 miles to empty. HOWEVER, read on...
>
> | I'm going to be taking into the dealer for its first service soon and
> | want to get as much info as I can prior to that. Is this kind of gas
> | guage behaviour common?
>
> See above
>
> | Will I do any harm to the truck if I run it
> | empty.
>
> Just once, or regularly? Running dry is never good. Ignoring the low
> fuel light regularly is double-plus ungood. Your fuel pump resides
> inside the tank, and is lubricated and cooled by the fuel itself. Run
> low and the pump will get warm, and will not be well-lubed. Result:
> premature fuel pump failure. It's just easier to fill the tank when it
> asks for more gas.
>
> | I'm thinking of taking a 5 gallon can and driving till it
> | actually runs out.
>
> To what end? To figure out how many miles you can go? Instead, just
> track your gas mileage using the time-tested pencil & paper "fill up
> tank every time, miles driven divided by gallons pumped" method. Then
> take that number (your MPG), multiply by 18, and use that as your miles
> possible.
>
> I say 18 because you want a safety margin.
>
> - --
> - -andy
>
> http://home.rochester.rr.com/alevy/dakota - andy-dml@levyclan.us
> - --------------------------------------------
> "Whatever Adam does, do the opposite and you'll be fine"
> -Bob Tom
> - --------------------------------------------
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