The dancing gas gauge :(

billowred · Sep 5, 2012

After this last fill up the needle started doing going all over the place. I linked a video (sorry for crappy quality) to show what it's doing.

http://www.youtube.com/watch?v=IKtFX61aBZw

If you have any suggestions for a way to make the gauge more accurate than stock I'm in.

SunlitComet · Sep 5, 2012

if that was after filling up the tank completely i would say it is the sender that finally gave out but to troubleshoot accurately i need to know what year you have.

billowred · Sep 5, 2012

kaoticlife · Sep 5, 2012

wow mine dances but thats more than mine does...mine just vibrates and shifts back and forth a little bit..oh only after half a tank.. :gay:

billowred · Sep 5, 2012

kaoticlife said:
wow mine dances but thats more than mine does...mine just vibrates and shifts back and forth a little bit..oh only after half a tank..

Yea that's exactly what mine did till now.

SunlitComet · Sep 5, 2012

you need to get a ohm meter set for 100 ohms on the purple wire at any point from tank to cluster and to ground. if needed take the cluster out and undo its connector and use alligator clips or something then drive it again to with the ohm meter response to see if it is still wild. for reference when tank is empty it should read about 0 ohms when empty and 90 when full.

Phone Man · Sep 5, 2012

Could also be the "hummingbird" effect from these gauges. Mine vibrates also. Its is caused by the dampening oil evaporating out of the stepper motor and the pwm signal that the ecm sends. In the link below there is a detailed explanation and a solution if yours is a gauge issue.

http://www.pacificp.com/forum/viewtopic.php?t=8413&postdays=0&postorder=asc&start=320

I have changed my fuel pump and the gauge has remained the same. Maybe yours is a sender issue? It usually occurs just out of the blue. There are sites that sell the stepper motors but they are a different type and are for the 2003 and up gauges.

billowred · Sep 5, 2012

Damn you guys know your sh*t! I'll take a look Friday when I have more time. Thanks for all the help.

SunlitComet · Sep 5, 2012

Phone Man said:
Could also be the "hummingbird" effect from these gauges. Mine vibrates also. Its is caused by the dampening oil evaporating out of the stepper motor and the pwm signal that the ecm sends. In the link below there is a detailed explanation and a solution if yours is a gauge issue.

http://www.pacificp.com/forum/viewtopic.php?t=8413&postdays=0&postorder=asc&start=320

I have changed my fuel pump and the gauge has remained the same. Maybe yours is a sender issue? It usually occurs just out of the blue. There are sites that sell the stepper motors but they are a different type and are for the 2003 and up gauges.

for the 1996 year the Pcm has no role in the fuel gauge operation. In fact it did not get "wired" in until 1999 model years.

DirkAFD · Oct 24, 2012

What did you figure out on this? I have a 97 that's doing the same thing but WAY worse. If there was a Full and Half mark, mine could hit it.

Uderro1 · Nov 4, 2012

My 96 hoe was moving around all over the gauge. In the last couple of months it went upside down and is dancing all around while pointing toward the floor.

Gzes · Nov 4, 2012

Mine did that then i got a new pump when mine went out and it works. Still a lil weird but thats because gas flops around and the floater goes up n down when not full of gas

Monstar_est87 · Dec 12, 2012

This just happend 2 me so im gonna take the necessary steps 2 take care of this problem...

slipping · Dec 13, 2012

One homie over at gmt400 just did a write up on this using some oil.

noJeepshere · Dec 14, 2012

slipping said:
One homie over at gmt400 just did a write up on this using some oil.

Link? my dad's new Suburban is doing this. It's goes straight to the right upon startup, then "hummingbirds" like crazy. It's accurate, but I can't hardly see the tip of the needle it's moving so fast.

slipping · Dec 14, 2012

http://www.gmt400.com/forum/showthread.php?t=15139

GA_Boy · Feb 2, 2013

I just might be trying that here shrtly as my fuel gage is doing the same thing and drive me crazy sometimes.

McFizzl · Feb 2, 2013

im thinking about trying it as well. more than 50% of the time its the cluster.

GA_Boy · Feb 3, 2013

McFizzl said:
im thinking about trying it as well. more than 50% of the time its the cluster.

That is what I was thinking also was it might be the cluster. I think I read on here that it has something to do with the steper motor for the guage or something like that.

I have already had the fuel pump and stuff replaced and I noticed that when ever I put the Tahoe in drive, reverse or park the fuel gauge will jump around.

I might just try this fix first and see what happens and if that does not work then look at replacing the cluster.

Goodinblack · Feb 3, 2013

I had a 15 passenger that did this too. It would do the hummingbirds thing

The dancing gas gauge :(

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