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2003-2009 Nissan 350Z

Fuel guage issue

Old 03-04-2019, 05:19 AM
  #1  
MBouzari909
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Default Fuel guage issue

Hey everyone
let me just start off by saying i have looked up the issue and found a solution but i am just trying to check.

So i was driving my z around after a couple of weeks and i saw that the guage showed it was at a 1/4 tank. I remember hearing that if it goes under a 1/4 tank, the fuel pumps could burn so i took it to a gas station and filled it up until it clicked. At first i was surprised because it clicked when only 9 gallons were put in but it has a 20 gallon tank. When i sat in the car, i saw that the guaged showed 3/4 of the way full.
I somehow got to the point that i needed to just add 1/4 on the guage myself when i look at it but i wanted to find a permanent solution. So i looked around and found that it is a common issue and the best way to fix it was a new fuel sensor but i was hoping for a cheaper solution. I kept reading and found that someone said to fill up the tank between 1/4 and 1/2 and it will fix the issue over time. I dont know if this would work so that is why i am asking. If anyone has a solution that does not involve replacing the sensor, that would be great.
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Old 03-04-2019, 06:23 AM
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iideadeyeii
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No, there is no reset to fix this that I am aware of.
Mine goes to half a tank and is about 5 gallons down, goes to E and has about 7 gallons left. I've just learned to deal with it
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Old 03-04-2019, 06:41 AM
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bealljk
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Originally Posted by MBouzari909 View Post
a cheaper solution
you could try, with extreme caution, taking the fuel basket out of the tank and cleaning the contacts on the fuel level senor. Deal with it or pony-up the cash to replace the sensor/basket.
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Old 03-04-2019, 06:53 AM
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OldManZFL
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a "cheaper" fix would be to take both fuel sending units out and clean the sensor with electronics cleaner, but with the amount of labor involved, it's best to just replace the sending units themselves. Owners have reported cleaning the sensors only temporarily fixes the issue and it returns slowly / within a year.
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Old 03-04-2019, 07:43 AM
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bealljk
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Originally Posted by OldManZFL View Post
Owners have reported cleaning the sensors only temporarily fixes the issue and it returns slowly / within a year.
this would be me except, I cleaned mine and it did nothing

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Old 03-04-2019, 12:03 PM
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icer5160
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The fuel pump assembly is easily accessible on the 350Z. Just replace the sending unit ($123.00) from Z1. Shouldn't take more than an hour to complete the task.
-Icer
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Old 03-04-2019, 05:28 PM
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Spike100
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As OldmanZFL suggests, you will get the most reliable fix by replacing the sending units from both tanks with new components. And as bealljk also mentions, be very careful if doing this yourself. You will have the fuel tank open, and you are working in a very confined space. You could have a significant life changing event happen in a second or two. Whenever I work around sensitive electronics or combustibles, I ground myself with a wrist strap.

Last edited by Spike100; 03-04-2019 at 05:52 PM.
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Old 03-04-2019, 06:57 PM
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bealljk
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Originally Posted by bealljk View Post
with extreme caution
Originally Posted by Spike100 View Post
be very careful if doing this yourself. You will have the fuel tank open, and you are working in a very confined space
when my basket is out I cover the opening with a piece of metal.
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