Go Back   Infamous Nissan - Hardbody / Frontier Forums > Model Specific > Hardbody Forum (D21)

Reply
 
Thread Tools Display Modes
Old 03-10-2015, 12:32 PM   #1
LZeitgeist
The Shadow knows...
 
LZeitgeist's Avatar
 
Join Date: Mar 2015
Location: Central NC
Age: 50
Posts: 53
Vehicle: '17 Frontier SV King Cab 2WD
Thanks: 24
Thanked 3 Times in 3 Posts
Default '87 SE-V6 A/T - dual fuel gauge question

My 1987 SE-V6 came with a dual fuel gauge configuration, where the second gauge broke down the last 1/4 tank by 1/16th's of a tank.

I just refilled for the first time since buying my truck - the main fuel gauge was getting pretty close to E (below where it would seem it would indicate a 1/4 tank remaining), but the secondary gauge remained at 1/4 without dropping at all towards the 1/8th marking.

When I filled up, it took about 11-1/2 gallons. If I'm not mistaken, the truck has a 15-gallon tank - I forget where I read this, so I don't know for sure that is accurate for this truck.

In other peoples' experience, does the main fuel gauge have to get all the way to E before the secondary gauge begins dropping? One would think that the secondary gauge would begin dropping once the main gauge registered halfway between the E and 1/2-tank markings, but this was not the case.

I know I could test his theory by carrying a can of gas with me and running it dry, but I figured an easy answer could be had here by those who know from their own experience.

Just trying to troubleshoot whether or not I should pay any attention to the secondary gauge or not - if it's inoperable, then I'm not going to drop the tank to fix it, I'll just let it sit there and look pretty.
LZeitgeist is offline   Reply With Quote
Old 03-10-2015, 01:08 PM   #2
OldGreyBeast
1986.5 HB 4x4 3.0V6
 
OldGreyBeast's Avatar
 
Join Date: Mar 2012
Location: North AL
Age: 30
Posts: 3,455
Vehicle: 1986.5 Nissan D21
Thanks: 296
Thanked 394 Times in 345 Posts
Default

On mine the main gauge has to get to E before the 2nd gauge starts doing anything. I try to fill up before the 2nd gauge ever starts moving but I've seen it scoot down a bit a time or two.
__________________
Build log for the Beast - https://beastbuildlog.blogspot.com - Last Updated 18 OCT 2016
OldGreyBeast is offline   Reply With Quote
Thanked by:
LZeitgeist (03-10-2015)
Old 03-10-2015, 01:27 PM   #3
LZeitgeist
The Shadow knows...
 
LZeitgeist's Avatar
 
Join Date: Mar 2015
Location: Central NC
Age: 50
Posts: 53
Vehicle: '17 Frontier SV King Cab 2WD
Thanks: 24
Thanked 3 Times in 3 Posts
Default

Quote:
Originally Posted by OldGreyBeast View Post
On mine the main gauge has to get to E before the 2nd gauge starts doing anything. I try to fill up before the 2nd gauge ever starts moving but I've seen it scoot down a bit a time or two.
OK, that helps - that fits with the supposed tank size and the number of gallons I put in at fill-up. Thanks!
LZeitgeist is offline   Reply With Quote
Old 03-10-2015, 01:27 PM   #4
Deerhurst
4/86 SE-V6 2 tone 4x4 HB
 
Deerhurst's Avatar
 
Join Date: Apr 2013
Location: Oregon
Posts: 4,893
Vehicle: 1986.5 Hardbody
Thanks: 692
Thanked 447 Times in 413 Posts
Default

On mine the second guage moves where the main gauge shows under 1/8 tank. I feel the main gauge is not very accurate. I hope the secondary is more so. Remember, while the primary gauge will drop when the key is off the secondary should not.

The tank will be just under 16 gallons.
__________________
1986.5 SE-V6 4X4 D21 Hardbody
Pacesetter Long Tube Headers
Morimoto Mini D2S HID Projectors and Hella 500s
VG33i
Deerhurst is offline   Reply With Quote
Thanked by:
LZeitgeist (03-10-2015)
Old 03-10-2015, 01:58 PM   #5
LZeitgeist
The Shadow knows...
 
LZeitgeist's Avatar
 
Join Date: Mar 2015
Location: Central NC
Age: 50
Posts: 53
Vehicle: '17 Frontier SV King Cab 2WD
Thanks: 24
Thanked 3 Times in 3 Posts
Default

Quote:
Originally Posted by Deerhurst View Post
On mine the second guage moves where the main gauge shows under 1/8 tank. I feel the main gauge is not very accurate. I hope the secondary is more so. Remember, while the primary gauge will drop when the key is off the secondary should not.

The tank will be just under 16 gallons.
Cool beans. I shall give it more time to see what happens with this tankful before I chicken out and fill up. Thanks!
LZeitgeist is offline   Reply With Quote
Old 03-11-2015, 12:30 PM   #6
jp2code
Software Developer
 
jp2code's Avatar
 
Join Date: Dec 2011
Location: Longview, TX [USA]
Age: 48
Posts: 8,219
Vehicle: 94 LB 2x4 Manual VG33e
Thanks: 1,166
Thanked 1,024 Times in 901 Posts
Default

What does a dual fuel gauge look like?
__________________
Joe (not a mechanic!) Don't have an account? EMAIL ME
Free Service Manuals: https://ownersmanuals2.com/make/nissan
Walk-through: Checking Nissan Trouble Codes
Everyone you meet is fighting a battle you know nothing about. Be kind always.

jp2code is offline   Reply With Quote
Old 03-11-2015, 12:50 PM   #7
LZeitgeist
The Shadow knows...
 
LZeitgeist's Avatar
 
Join Date: Mar 2015
Location: Central NC
Age: 50
Posts: 53
Vehicle: '17 Frontier SV King Cab 2WD
Thanks: 24
Thanked 3 Times in 3 Posts
Default

Quote:
Originally Posted by jp2code View Post
What does a dual fuel gauge look like?


Notice the secondary fuel gauge at the top center - the bottom gauge reads Full to Empty, and the top gauge reads 1/4-tank - 1/8-tank - 0.

(Thanks to OldGreyBeast for the awesome photo!)

Last edited by LZeitgeist; 03-11-2015 at 01:35 PM. Reason: attribution
LZeitgeist is offline   Reply With Quote
Thanked by:
jp2code (03-11-2015)
Old 03-11-2015, 12:51 PM   #8
1990nissanhardbody
The emergency service hb
 
1990nissanhardbody's Avatar
 
Join Date: Dec 2012
Location: the 'noke, VA
Posts: 1,755
Vehicle: 1990 and 1989 Hardbody 4x4s!
Thanks: 341
Thanked 208 Times in 196 Posts
Default

Quote:
Originally Posted by jp2code View Post
What does a dual fuel gauge look like?
Quote:
Originally Posted by OldGreyBeast View Post
Got all the LEDs in the cluster working right finally. I tried to epoxy that plastic collar thing that goes around the bit that goes in the speedo cable receptacle but it just broke off again. If that thing actually matters I think that mine's just going to have to stay jacked up.

stolen from OGB
__________________

2003 Subaru Forester- the other DD--200K miles!!!
1990 Nissan Hardbody-the DD
1985 Dodge Ram W100 4X4- scrapped
1998 Jeep Grand Cherokee Laredo-Sold
1995 Jeep Grand Cherokee Limited-traded
12/85 2wd D21
11/85 4wd D21 #509-traded
1996 Chevrolet Blazer 4x4-traded
1989 SE-V6 4x4 D21- soon to be 350 swapped!!!
1990nissanhardbody is offline   Reply With Quote
Thanked by:
OldGreyBeast (03-11-2015)
Old 03-11-2015, 01:03 PM   #9
jp2code
Software Developer
 
jp2code's Avatar
 
Join Date: Dec 2011
Location: Longview, TX [USA]
Age: 48
Posts: 8,219
Vehicle: 94 LB 2x4 Manual VG33e
Thanks: 1,166
Thanked 1,024 Times in 901 Posts
Default

I'll be damned.

I saw him post about his new LED lights, but I didn't pay attention to all the funky dials on that cluster.

Thanks for posting!
__________________
Joe (not a mechanic!) Don't have an account? EMAIL ME
Free Service Manuals: https://ownersmanuals2.com/make/nissan
Walk-through: Checking Nissan Trouble Codes
Everyone you meet is fighting a battle you know nothing about. Be kind always.

jp2code is offline   Reply With Quote
Old 03-11-2015, 01:19 PM   #10
Deerhurst
4/86 SE-V6 2 tone 4x4 HB
 
Deerhurst's Avatar
 
Join Date: Apr 2013
Location: Oregon
Posts: 4,893
Vehicle: 1986.5 Hardbody
Thanks: 692
Thanked 447 Times in 413 Posts
Default

Funky dials! Thats just the flux capacitor charging circuit!
__________________
1986.5 SE-V6 4X4 D21 Hardbody
Pacesetter Long Tube Headers
Morimoto Mini D2S HID Projectors and Hella 500s
VG33i
Deerhurst is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT. The time now is 07:11 AM.


Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.