Fuel gauge quits working?
Thread Starter
Racer
Joined: Aug 2007
Posts: 401
Likes: 1
From: Ashburn, VA
Fuel gauge quits working?
How do I figure out whether its the right side or left side sender/float assembly without guessing? Is there a way to do this before we even get the tools out?
I tried the Techron treatment but after about 10 tankfuls it still does it.
I tried the Techron treatment but after about 10 tankfuls it still does it.
Instructor
Joined: Jul 2002
Posts: 102
Likes: 0
From: Delray Beach FL
What year is your car and how many miles on it. I went through this a few years ago with my '03 Z06. The list of components changed under warranty would water your eyes. GM also "gave" me an extended warranty on the fuel system. What I am thinking is that you should contact your GM dealer (don't hit me) and fight for some warranty coverage since this has been a widespread problem across the entire GM line and other car companies. Supposedly has to do with the sulphur in the gas. Just throwing money at parts will not neccesarily work. Good luck.
Racer
Joined: Jul 2007
Posts: 253
Likes: 0
From: north jersey New Jersey
I got the same problem after driving about 40 miles it drops to empty but to fix for now i just go into the manual diagnostics and clear the code. Im gonna trying calling GM and see if they can warranty it.
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Melting Slicks
Joined: Feb 2007
Posts: 3,266
Likes: 8
From: Indian Rocks Beach FL
St. Jude Donor '08-'09-'10
For a list of updates available for your car go here:
http://tis2web.service.gm.com/tis2web
Thread Starter
Racer
Joined: Aug 2007
Posts: 401
Likes: 1
From: Ashburn, VA
My specific problem is that when I fill up, the guage will not go all the way to "F". After about 50-75 miles it drops to "E" and sets the low fuel light. After about 180 miles it starts working again.
I have tried about 10 tankfulls of 93 octane Chevron gas w/techron, in addition I have added a bottle of techron treatment to each tankfull.
I have tried about 10 tankfulls of 93 octane Chevron gas w/techron, in addition I have added a bottle of techron treatment to each tankfull.
Melting Slicks
Joined: Feb 2007
Posts: 3,266
Likes: 8
From: Indian Rocks Beach FL
St. Jude Donor '08-'09-'10
My specific problem is that when I fill up, the guage will not go all the way to "F". After about 50-75 miles it drops to "E" and sets the low fuel light. After about 180 miles it starts working again.
I have tried about 10 tankfulls of 93 octane Chevron gas w/techron, in addition I have added a bottle of techron treatment to each tankfull.
I have tried about 10 tankfulls of 93 octane Chevron gas w/techron, in addition I have added a bottle of techron treatment to each tankfull.
Thread Starter
Racer
Joined: Aug 2007
Posts: 401
Likes: 1
From: Ashburn, VA
Melting Slicks
Joined: Feb 2007
Posts: 3,266
Likes: 8
From: Indian Rocks Beach FL
St. Jude Donor '08-'09-'10
Firmware is the program that runs the computers. Kinda like Windows on your PC at home.
Just go to a dealer and tell them you want the car checked for firmware updates, they'll know what to do. There is no update dedicated to the fuel gauge issue. Apparently it is embedded in one of the other updates.
Thread Starter
Racer
Joined: Aug 2007
Posts: 401
Likes: 1
From: Ashburn, VA
Yes, a tune can be done after the firmware update.
Firmware is the program that runs the computers. Kinda like Windows on your PC at home.
Just go to a dealer and tell them you want the car checked for firmware updates, they'll know what to do. There is no update dedicated to the fuel gauge issue. Apparently it is embedded in one of the other updates.
Firmware is the program that runs the computers. Kinda like Windows on your PC at home.
Just go to a dealer and tell them you want the car checked for firmware updates, they'll know what to do. There is no update dedicated to the fuel gauge issue. Apparently it is embedded in one of the other updates.
Melting Slicks
Joined: Feb 2007
Posts: 3,266
Likes: 8
From: Indian Rocks Beach FL
St. Jude Donor '08-'09-'10
I really don't know how much they charge but I would think at least $100.00. I'm sure it varies a lot in different parts of the country.
Also, please understand that I'm not "guaranteeing" that this will fix your problem since I haven't done this myself. Others have reported on the forum that this works for symptoms the same as yours and mine and it does make sense to me. If it was a sensor problem I would think it would happen at a certain fuel level instead of after a certain driving time. Also I have used probably 20 cans of Techron and I only use Chevron gas to no effect.
If it weren't for my tune I would try this in a heartbeat and will when I do my next round of mods. If you do this please post your results so the rest of us can benefit.
Also, please understand that I'm not "guaranteeing" that this will fix your problem since I haven't done this myself. Others have reported on the forum that this works for symptoms the same as yours and mine and it does make sense to me. If it was a sensor problem I would think it would happen at a certain fuel level instead of after a certain driving time. Also I have used probably 20 cans of Techron and I only use Chevron gas to no effect.
If it weren't for my tune I would try this in a heartbeat and will when I do my next round of mods. If you do this please post your results so the rest of us can benefit.
