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playing chicken - ES300h gas tank capacity

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Old 11-10-13, 02:31 PM   #1
uicandrew
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Default playing chicken - ES300h gas tank capacity

lexus's website says that the gas tank capacity is 17.2 gallons.

even though it is dangerous and potentially harmful to drive it to empty, i still do it so i get the most out of my "cents off per gallon" sales/promos

the most i've filled the tank is 13.9 and the estimated range was 30 miles or so.

what's the most you've put in your tank in a single filling?
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Old 11-10-13, 07:18 PM   #2
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I concur, the "E" level is very conservative. IIRC the most ever pumped into the tank was around 16 gallons. Typically, around 15 gallons or so.
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Old 11-11-13, 07:05 AM   #3
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I have pumped 16+ on occasion.
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Old 11-11-13, 03:19 PM   #4
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ElliotB, what does your estimated range say when you fill up above 16?

do you do partial fillups in between?

i average about 37 mpg and my light comes on with around 40 miles left, so i thought that it comes up with 1 gallon left.....
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Old 11-12-13, 06:54 AM   #5
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I've driven as much as 80 ( and slightly more) miles beyond "zero" range and still have never put more than 15.3 gallons in the 300h. I do not "top off" when I fill up. Whenever the pump cuts off, that's when I stop. I am averaging 38.6 MPG overall tanks of gas since I bought the car in July. It was the same with the Camry Hybrid I drove previous to this car.Toyota/Lexus seems to be very conservative with the programming of their gas gauges. Probably better that than overly precise and have people running out of gas. I also recall from somewhere (one of the hybrid forums) that there is a bladder in the gas tank of modern cars for emissions purposes that can expand/contract and that can also affect how much gas you can put in the car at fill-up - in warmer weather you may be able to pump slightly more.
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Old 11-12-13, 08:10 AM   #6
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Quote:
Originally Posted by atoyota View Post
Toyota/Lexus seems to be very conservative with the programming of their gas gauges. Probably better that than overly precise and have people running out of gas..
I agree. I own a 2004 Prius, and the Prius forum refers to the indicator as the "guess gauge." When it hits E, you have AT LEAST 100 miles left, often quite a bit more. It's hard to tell whether that was intentional (due to the big problems that arise from letting a hybrid run dry, or ultraconservatism) or simply an engineering anomaly.
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Old 11-12-13, 09:57 AM   #7
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uiandrew, the range has indicated '0'. I have driven only a very limited amount at that point and have only done it a couple of times. As there can be issues with running out of fuel, it does not make sense to risk it.
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Old 11-12-13, 11:54 AM   #8
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I just drove about 40 miles past "E" and the range indicating "0". Gallons added was 15.8, and I generally completely top-off with 3 "click" disconnects after the main service. (won't do that if the vehicle will shortly be idled for a while)
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Old 11-13-13, 07:39 AM   #9
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Although some of you can squeeze every mile from a fill up, are you taking a chance of sucking crap/debris from the bottom of the gas tank into your engine for the sake of boasting rights? And, might that cost you more in the long run?

Just wondering.
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Old 11-13-13, 07:24 PM   #10
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does anyone know if the fuel pump is in the tank ?

-I just put 14.5 gal in with 9 miles left on the cruising range.
& the light came on with 30 til empty
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Old 11-14-13, 09:39 AM   #11
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My light came on with about 14 gallons. So theoretically, I still had 3.5 gallons reserve but I wouldn't test it.
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Old 11-14-13, 12:13 PM   #12
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I just drove about 10 miles past 'zero' and decided to really fill the tank, and managed to pump in 17.3 gallons until it was totally full. I managed to put in about 1 1/2 gallons past the initial shutoff 'click' . Perhaps zero is really close to empty!
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Old 11-14-13, 04:40 PM   #13
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Elliot, you must be a gambler. Do you feel lucky?
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Old 11-14-13, 04:43 PM   #14
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It was not intentional. I though I had plenty of fuel as typically at 'zero', I though like others that there was still a gallon or so in the tank. I now know better! I am going to refill to full capacity right at empty next time and check again. FWIW, I suspect that the tank holds more than 17 gallons.
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Old 11-14-13, 05:04 PM   #15
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You should have gone to the casino on that day. Then again, you were probably flooding your charcoal canister and the rest of your emission system with another 1 1/2 gal, which isn't good either.
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Old 11-14-13, 05:04 PM
 
 
 
 
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2013, 300h, capacity, cpacity, es, es300h, fuel, gas, lexus, light, size, tank

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