• Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech

Fuel Gauge not working ???

  • Thread starter Thread starter NOSGT
  • Start date Start date Dec 22, 2004
N

NOSGT

Founding Member
May 10, 2001
173
0
0
San Antonio
Dec 22, 2004
#1
  • Dec 22, 2004
  • #1
Recently my fuel gauge stopped working almost completely. It will only read up to about 1/8 of a tank and down, the fuel light also still works. I installed a new fuel pump about three years ago and its been working fine up until now, so I know i didn't mess it up then. No fuses are out, all my other intruments are working fine.... this one have me stumped.....
 
P

Pro5090GT

New Member
Dec 5, 2002
31
0
0
Glendora, California
Dec 22, 2004
#2
  • Dec 22, 2004
  • #2
your fuel sending unit is bad, and you need to replace it, new for about $80-$115 bucks, or pull it out and fix it with a sealant if your low on cash, but you'll probably have to pull it again earlier down the road. By the way, its the other hole on the gas tank next to the fuel pump! comes right out, can do it within a hour!
 
N

NOSGT

Founding Member
May 10, 2001
173
0
0
San Antonio
Dec 22, 2004
#3
  • Dec 22, 2004
  • #3
so i have to drop the tank???
 

HISSIN50

"How long does it take to get help in here?
15 Year Member
Nov 29, 1999
31,179
34
129
Dec 22, 2004
#4
  • Dec 22, 2004
  • #4
yes. also, if you start troubleshooting the wiring for it (i would, to confirm what is at fault), dont overlook the anti-slosh module. if the signal is mangled coming in or out of it, there is a good place to look.

good luck.
 
D

dwhiskie

New Member
Sep 18, 2004
183
0
0
Dec 22, 2004
#5
  • Dec 22, 2004
  • #5
You wont have to take it all the way out just drop it enough to pull it out,might want to replace the rubber seal that goes under the lock ring,I didnt the first time and when I filled up with gas it leaked.
 

HISSIN50

"How long does it take to get help in here?
15 Year Member
Nov 29, 1999
31,179
34
129
Dec 22, 2004
#6
  • Dec 22, 2004
  • #6
i would also consult a service manual for proper safety concerns. dont play around with electricity or spark (et al) around a gas tank, even if it is bone dry.

good luck.
 
D

dwhiskie

New Member
Sep 18, 2004
183
0
0
Dec 22, 2004
#7
  • Dec 22, 2004
  • #7
And to add to the safety part as mentioned above,if you dont have the proper tool to remove the lock ring that holds the sending unit ,you can use a brass rod and a hard rubber mallet to take it off-dont use anything thats made out of steel-if you get a spark= BOOM not saying that would happen but it could.Its an easy job but be careful
 
You must log in or register to reply here.

Similar threads

C
Electrical Fuel Gauge...Help! What did I do or Didn't Do?
  • ChickenDeluxe
  • Sep 3, 2026
  • Fox 5.0 Mustang Tech
Replies
2
Views
238
Fox 5.0 Mustang Tech Sep 3, 2026
ChickenDeluxe
C
C
Fuse help please. 73 Mach 1
  • Curtis Harper
  • Oct 19, 2026
  • 1965 - 1973 Classic Mustangs -General/Talk-
Replies
2
Views
128
1965 - 1973 Classic Mustangs -General/Talk- Oct 28, 2026
Curtis Harper
C
8
Grounding issue?
  • 86SilverFox
  • May 16, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
4
Views
240
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- May 31, 2026
86SilverFox
8
B
Electrical Why does my fox body keep frying eecs
  • brandyn200
  • Jun 20, 2026
  • Fox 5.0 Mustang Tech
Replies
8
Views
502
Fox 5.0 Mustang Tech Jun 25, 2026
AeroCoupe
M
1996 GT Speedometer electrical nightmare
  • moon96gt
  • Oct 7, 2026
  • SN95 4.6L Mustang Tech
Replies
2
Views
174
SN95 4.6L Mustang Tech Oct 17, 2026
CAMTWO1070
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech
Menu
Log in

Register

  • Forums
  • What's new
  • Media
  • Resources
  • Contact
  • Sponsor
X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?

X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?