Revhead Kev
Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6355
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Re: Low fuel warning light
quote: Naff wrote:
So with the varying load, I assume this fuel gauge is based on pressure?
Level sensor.
Park your Exy on a steepish hill one day with 1/4 tank and see what the fuel guage does. Should be different depending on forward or rearward facing also.
--- Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
My CarPC Worklog
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28/May/2007, 2:07 pm
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Revhead Kev
Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6355
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Re: Low fuel warning light
The load in the back, or on the towbar changes the ride height of the Exy and so changes the level of the tank.
Depending on the placement of the sensor, the level of the fuel for the same volume will be at a different height up the sensor.
Best way to demonstrate is to half fill a bottle with water and lay it on a table (with the lid on).
When you lift the top of the bottle slightly, the water level at the top is now seen as less and at the bottom as more.
--- Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
My CarPC Worklog
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28/May/2007, 5:07 pm
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David M
X-TRAIL FANATIC
Date Registered: 02-2005
Location: Taylor's Hill (Melbourne)
TOTAL POSTS: 466
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Re: Low fuel warning light
The float is usually located in the centre of the tank, though, to minimize variations.
I've been doing a bit of towing the tandem trailer lately and therefore the trip meter method is not quite as predictable; to know whether I have 100kms left when the light comes on, or 140, is the difference between filling at country or city prices because we consistently return down the Calder with a long stretch between the last country service station and the first city one. I just would like to be sure its now consistently coming on at 48, but I guess that's the interesting bit - not knowing until afterwards.
--- David M (X095)
ST Auto (series 1) 180,000 kms
Nissan nudge, fog lights, towbar, floor mats, K&N filter, Cooper CS4s, electric trailer brake controller, GME TX3220
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29/May/2007, 2:50 pm
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Revhead Kev
Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6355
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Re: Low fuel warning light
From the service manual Dave, it looks like the Exy actually has 2 fuel level sensors, one on each side of the tank as it straddles the tailshaft, but still both mounted towards the front.
--- Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
My CarPC Worklog
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29/May/2007, 3:04 pm
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: Low fuel warning light
There shouldn't be any immediate damage, but don't make a habit of it, as all the dirt deposits at the bottom of the tank will eventually find their way to the injectors and the fuel pump, which is not good.
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17/Aug/2007, 12:01 pm
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: Low fuel warning light
No problems at all Wayne. That is why we have our forum...to help each other out when Nissan can't help us LOL
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17/Aug/2007, 2:07 pm
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