C5 Fuel Gauge
Thread Starter
Heel & Toe
Joined: Jan 2006
Posts: 21
Likes: 2
From: Houston Texas
C5 Fuel Gauge
I have a 2001 Convertible. The last couple of times gassing up after the tank gets below half it drops to empty. I have extended warranty. For those of you that took your car to the dealer to get fixed did they actually fix it? Or did the problem eventually reoccur? Thanks.
Drifting
Joined: Jun 2005
Posts: 1,681
Likes: 2
From: Seven Devils NC
lots of threads
Originally Posted by wrmadden
I have a 2001 Convertible. The last couple of times gassing up after the tank gets below half it drops to empty. I have extended warranty. For those of you that took your car to the dealer to get fixed did they actually fix it? Or did the problem eventually reoccur? Thanks.
There are a LOT of threads on this... I had the same problem... did a search and found my solution... (chevron techron ) ... Check it out.. Very common on these cars...
Last edited by RaleighSS; Feb 5, 2006 at 09:21 AM.
Pro
Joined: Mar 2002
Posts: 630
Likes: 0
When I first bought my 99 2 yrs ago it happened once to me. I switched to BP gas, always keeping the tanks at least half full, Techron once a year and I put Stabil in for the storage months, gas guage has not had problem since.
Race Director
Joined: Jul 2004
Posts: 16,795
Likes: 62
From: Lake Havasu City, AZ
Since it is under warranty take it in... Maybe they will change the fuel sending units for you, maybe they will clean the ground contact for the senders.
The cheapest fix as identified previuosly is to use some solvents ( aka fuel system cleaner) to dissolve the fouling on the sender.
Chevron Techron ~ 12 ( need two containers)
Berryman Chemtool B-12 $2.79 at Walmart
DryGas ( use a six pack) $ 2.49 at Walmart
All have been reported to do the trick
Remember the C5 has two gas tanks and two senders... so put one in, fill up 2/3rd and add the second ( or balance)
The cheapest fix as identified previuosly is to use some solvents ( aka fuel system cleaner) to dissolve the fouling on the sender.
Chevron Techron ~ 12 ( need two containers)
Berryman Chemtool B-12 $2.79 at Walmart
DryGas ( use a six pack) $ 2.49 at Walmart
All have been reported to do the trick
Remember the C5 has two gas tanks and two senders... so put one in, fill up 2/3rd and add the second ( or balance)
Thread Starter
Heel & Toe
Joined: Jan 2006
Posts: 21
Likes: 2
From: Houston Texas
Gas Guage Problem
Thanks for the replies. Since I have extended warranty I will probably take it in. I took it in a couple of months ago to get the seat rock fixed. I was told they finally came up with a part last year for it to fix it permanantly. It only took GM six years. 
Race Director
Joined: Sep 2003
Posts: 13,550
Likes: 6
From: Now in God's Country, the Big Sky, Montana!
Cruise-In 7-8-9-10 Veteran
St. Jude Donor '06-'07-'08-'09-'10-'11-'12
Originally Posted by wrmadden
Thanks for the replies. Since I have extended warranty I will probably take it in. I took it in a couple of months ago to get the seat rock fixed. I was told they finally came up with a part last year for it to fix it permanantly. It only took GM six years.
Melting Slicks
Joined: Mar 2005
Posts: 2,252
Likes: 181
From: NE OH
Lots of info on this. During my reading, I ran across and article explaining how our fuel gauges work. I was suprised to find out that between full and empty (or there abouts) the fuel gauge display is only an estimate from the computer.
Burning Brakes
Joined: Jan 2006
Posts: 1,170
Likes: 27
From: Magnolia Greens NC
Originally Posted by rws.1
Since it is under warranty take it in... Maybe they will change the fuel sending units for you, maybe they will clean the ground contact for the senders.
The cheapest fix as identified previuosly is to use some solvents ( aka fuel system cleaner) to dissolve the fouling on the sender.
Chevron Techron ~ 12 ( need two containers)
Remember the C5 has two gas tanks and two senders... so put one in, fill up 2/3rd and add the second ( or balance)
The cheapest fix as identified previuosly is to use some solvents ( aka fuel system cleaner) to dissolve the fouling on the sender.
Chevron Techron ~ 12 ( need two containers)
Remember the C5 has two gas tanks and two senders... so put one in, fill up 2/3rd and add the second ( or balance)
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