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-   -   Low gas indicator (http://www.the370z.com/nissan-370z-general-discussions/63738-low-gas-indicator.html)

invader19 11-26-2012 05:35 PM

Low gas indicator
 
Why is it that after it says 30km remaining the counter just goes away and displays "---" ?

Shouldn't it keep counting to at least 5km left before it can't tell how far you can go? Is it just my car or do you guys get it to read further?

binary0x01 11-26-2012 05:38 PM

My guess is they've coded it that way to freak people out so they hit the gas station asap.

Dave N 11-26-2012 05:40 PM

Mine does the same thing (except for the metric part). I think it is Nissan's way of getting people to fill up before running the tank dry. Dare I say, lawyers could have something to do with it as well --> I don't think it's far-fetched if they were concerned about potential lawsuits where people ran out of gas even though the DTE showed 1 mile left (or 1km for our northern neighbors).

Dave

1st 11-26-2012 05:56 PM

Running low fuel messes up your cats fyi.

DYNAZOR 11-26-2012 05:58 PM

Same with mine. I can start a trip and the gauge says "45 Miles" til empty. I drive 5 miles and it flashes "---". It bugs me.

SPOHN 11-26-2012 06:00 PM

Quote:

Originally Posted by 1st (Post 2034141)
Running low fuel messes up your cats fyi.

Plus your fuel pump.

invader19 11-26-2012 06:23 PM

Thanks for the info guys.
I was actually on the way to fill up at a gas station of choice. Just noticed this twice now and figured I'd ask.

JungleZ 11-26-2012 06:47 PM

I hate that because I'm only getting 12-14mpg so every freaking last mile counts

Felix 808 11-27-2012 12:09 AM

Quote:

Originally Posted by 1st (Post 2034141)
Running low fuel messes up your cats fyi.

http://www.gixxer.com/forums/images/.../confused1.gifCan you explain that one?

Quote:

Originally Posted by SPOHN (Post 2034151)
Plus your fuel pump.

This :iagree: It's not good to suck up all the sentiment on the bottom of the tank

Cmike2780 11-27-2012 12:45 AM

Damage by sediments is actually one of those urban automotive myths. The pump sits at the bottom of the tank regardless and has protective screens to prevent any of that stuff from damaging the Engine. This might have been more valid in the past, but newer gas tanks are less prone to corrosion. You also have a fuel filter. Where it could cause damage to the pump is because running completely out of gas prevents lubrication to the pump and causes it to fail prematurely.

Haboob 11-27-2012 07:54 AM

I wonder if the accuracy (or lack thereof) has changed with the 2013 models?

Not sure I'm going to be a fan of the digital fuel gauge. I like knowing I'm able to take mine down to when it's flashing (~1g remaining) and knowing I can get another 10mi if I need to.

edub370 11-27-2012 07:56 AM

Quote:

Originally Posted by 1st (Post 2034141)
Running low fuel messes up your cats fyi.

false. that doesn't even begin to make sense...

SouthArk370Z 11-27-2012 08:32 AM

Quote:

Originally Posted by SPOHN (Post 2034151)
Plus your fuel pump.

That was true with older tanks that had an articulated pickup arm, but the pump inlet now stays at the bottom of the tank and most moisture/trash gets ingested a little at a time. Plus, the ethanol in most gas will help keep the tank dry and clean(er). If you have enough water/trash in the bottom of the tank in a 370Z to cause problems when fuel is low, there are other problems you need to take care of.

SouthArk370Z 11-27-2012 08:34 AM

Quote:

Originally Posted by 1st (Post 2034141)
Running low fuel messes up your cats fyi.

That's a new one on me. Please elaborate.

Cmike2780 11-27-2012 08:58 AM

Quote:

Originally Posted by SouthArk370Z (Post 2034849)
That's a new one on me. Please elaborate.

I think their is some truth to that one, but I think you would have to repeatedly run out of gas on a normal basis to cause enough damage. I think it has something to do with thermal failure of the ceramics within the catalytic converter. Its a similar effect of a malfunctioning O2 sensor, misfire or an ECU malfunction....pretty much anything that causes unburnt fuel to enter the cats and ignite...super heating the ceramics beyond operating temps. It's unlikely running out of gas once would be enough to cause that much damage, but its best to err on the side of caution.


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