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Low Fuel Warning

Originally Posted by LennyZCSD you should try to keep about 1/4 tank as the internal fuel pumps are fluid cooled don't want them to fail prematurely I've heard this mentioned

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Old 06-08-2015, 01:11 PM   #1 (permalink)
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Originally Posted by LennyZCSD View Post
you should try to keep about 1/4 tank as the internal fuel pumps are fluid cooled don't want them to fail prematurely
I've heard this mentioned several times. And I know Nissan is stupid. But I seriously wonder if the pump relies on gas in tank to keep cool. Or at least how much fluid is needed in the tank to keep it cool.

FWIW, I typically use 18+ gallons every tank - rarely do I fill up with less than 17.5 gal. After nearly 70K miles, and a number of brutally hot Texas summers, I've had zero issues with my fuel pump
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Old 06-09-2015, 03:47 PM   #2 (permalink)
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Just my Opinion. The fuels probably lubricates the pump, and cools.
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Old 06-09-2015, 04:25 PM   #3 (permalink)
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I think it is fine as long as gas is being pumped through regardless of the remaining fuel level in the tank.

I did hear that some fuel pumps are lubricated by the fuel, but I don't know if it is the case for our cars.

Quote:
Originally Posted by JARblue View Post
I've heard this mentioned several times. And I know Nissan is stupid. But I seriously wonder if the pump relies on gas in tank to keep cool. Or at least how much fluid is needed in the tank to keep it cool.

FWIW, I typically use 18+ gallons every tank - rarely do I fill up with less than 17.5 gal. After nearly 70K miles, and a number of brutally hot Texas summers, I've had zero issues with my fuel pump
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