Our 3GS fuel range is grossly conservative - math included
#1
Lexus Champion
Thread Starter
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Did a little test, let's do some math:
Our GS has 18.8gal tank
Fuel light came on @ 368mi with fuel range 27mi left
Fuel car @ 390.3mi with fuel range 0
Total fuel pumped = 16.418 with 2.38gal left on the tank
MPG reading on car = 24.8
Actual Calculation = 23.77
Facts - Using Actual MPG
Could go another 56.57 miles with fuel range reads "0"
Fuel left when light first came on = 3.32gal / 78.87mi
50~55mi discrepancy with our fuel range reading
does give me extra peace of mind when I am dangerously low on gas
Our GS has 18.8gal tank
Fuel light came on @ 368mi with fuel range 27mi left
Fuel car @ 390.3mi with fuel range 0
Total fuel pumped = 16.418 with 2.38gal left on the tank
MPG reading on car = 24.8
Actual Calculation = 23.77
Facts - Using Actual MPG
Could go another 56.57 miles with fuel range reads "0"
Fuel left when light first came on = 3.32gal / 78.87mi
50~55mi discrepancy with our fuel range reading
does give me extra peace of mind when I am dangerously low on gas
![Smilie](https://www.clublexus.com/forums/images/smilies/smile.gif)
Last edited by whlkev; 08-14-08 at 10:51 AM. Reason: fixing typo in #
#2
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Did a little test, let's do some math:
Our GS has 18.8gal tank
Fuel light came on @ 368mi with fuel range 27mi left
Fuel car @ 390.3mi with fuel range 0
Total fuel pumped = 16.418 with 1.26gal left on the tank
MPG reading on car = 24.8
Actual Calculation = 23.77
Facts - Using Actual MPG
Could go another 29.95 miles with fuel range reads "0"
Fuel left when light first came on = 2.198gal / 52.25mi
25~30mi discrepancy with our fuel range reading
does give me extra peace of mind when I am dangerously low on gas![Smilie](https://www.clublexus.com/forums/images/smilies/smile.gif)
Our GS has 18.8gal tank
Fuel light came on @ 368mi with fuel range 27mi left
Fuel car @ 390.3mi with fuel range 0
Total fuel pumped = 16.418 with 1.26gal left on the tank
MPG reading on car = 24.8
Actual Calculation = 23.77
Facts - Using Actual MPG
Could go another 29.95 miles with fuel range reads "0"
Fuel left when light first came on = 2.198gal / 52.25mi
25~30mi discrepancy with our fuel range reading
does give me extra peace of mind when I am dangerously low on gas
![Smilie](https://www.clublexus.com/forums/images/smilies/smile.gif)
Last edited by drpepper; 08-14-08 at 09:56 AM.
#5
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I think you might be a bit optimistic. You might have 2.26 gallons left, but I doubt the fuel pump will be able to pump with less than 1 gallon left. depends on where the pump is located in the tank.
#6
Lexus Connoisseur
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Everyone's numbers will vary with driving style and especially octane level and altitudes. Are you guys in Phoenix running lower (1 point) octanes due to your elevation levels above 1k?
Most Lexus & Toyotas across the board has about a 3 gallon "safety" net once that low fuel level light comes on.
Most Lexus & Toyotas across the board has about a 3 gallon "safety" net once that low fuel level light comes on.
#7
Lexus Champion
Thread Starter
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Everyone's numbers will vary with driving style and especially octane level and altitudes. Are you guys in Phoenix running lower (1 point) octanes due to your elevation levels above 1k?
Most Lexus & Toyotas across the board has about a 3 gallon "safety" net once that low fuel level light comes on.
Most Lexus & Toyotas across the board has about a 3 gallon "safety" net once that low fuel level light comes on.
and this just proves it that the safety net is around 3gal or roughly around 60+ miles. not bad...
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#8
Lexus Connoisseur
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We run the same 91oct as CA as far as I can tell, and yes, the numbers definitely do vary from owners, I was very impressed that I could even get 24.8mpg on the v8 where I know some 350 owners don't even get.
and this just proves it that the safety net is around 3gal or roughly around 60+ miles. not bad...
#10
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I drove it to 0 and +another 14 miles or so on my first tank of gas. the meter was showing 0.. good thing is I researched before taking that chance to drive to the gas station close to my work. Total gallons I've pumped was 16.xx which is still has like 2 gallons left.
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