2012 fx50 fuel gauge stuck on empty - Page 2 - Infiniti FX Forum : FX35, FX45 and FX50 Forums
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post #11 of 15 (permalink) Old 01-24-2019, 12:44 PM Thread Starter
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Originally Posted by Hercules Rockerfeller View Post
My FX runs out of fuel anywhere between half a tank and a quarter. I've replaced everything else, and there are a couple folks on the G37 forum who replaced the AC Amp unit, and it rectified the issue. Apparently a bunch of stuff goes through that unit. I picked up a used part for $40, and only took an hour to install. I figured it couldn't hurt, and I've tried everything else.
hopefully it helps, keep us posted!

2012 fx50s white w/ beige interior
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post #12 of 15 (permalink) Old 04-29-2019, 11:47 AM Thread Starter
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this weekend I was just under half tank, per the guage. I parked on a moderate grade for about 10 minutes, and when I started the vehicle up it went to zero fuel on the gauge. $&#*.

Drove around on my errands, parked for a bit on level ground, started it up, gauge back to normal. I wonder if the float in one of the tanks get jammed down when that tank is empty. anyway, I'm glad I didn't have to monkey around inside the fuel tank again!

2012 fx50s white w/ beige interior
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post #13 of 15 (permalink) Old 04-30-2019, 06:53 AM
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Just curious, where you parked facing uphill or downhill?

2009 FX50 with Tech package
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post #14 of 15 (permalink) Old 04-30-2019, 09:49 AM Thread Starter
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Just curious, where you parked facing uphill or downhill?
nose pointing uphill, same as the last time it acted up

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post #15 of 15 (permalink) Old 05-27-2019, 09:44 AM Thread Starter
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happened again, fuel was around half a tank. didn't fix on its own this time. I jiggled the passenger side pump/float a bit and it's back to working. mildly annoying, but it only took 8 minutes to fix.

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