03-20-2013, 09:14 AM
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#10 (permalink)
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Quote:
Originally Posted by JARblue
My wife got 21 mpg for the first 18 months commuting about 15-20 miles per day all highway (with me romping on it during the weekends). Since Sept 2012, I have knocked that lifetime avg down to 18.5 
I guess I'll be ready when it happens, but I still don't understand how the fuel pump is affected by how much gas I have in the car (I run it to '--- miles left' pretty much every tank). And if I have to leave several gallons of gas in the car to keep the fuel pump from failing, how is that not a poor design on Nissan's part and ergo their fault? You're damn right if it fails within my warranty period I'm going to blame them. I should be able to drive my car until it's almost out of gas, and almost is not 'I could have driven another 100 miles'  |
Fuel pumps, by design, are located in the tank and the fuel is the only thing that's cooling it (like a radiator) from overheating and burning out. That's how fuel pumps are in general. If your running on fumes, the fuel pump will be running hotter = shorter life. I don't know how Nissan quality is but I ran my old '92 Integra till the E light was on all the time. No problems. I personally try to fill when it's down to 2-3 lights
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