Fuel sensor help needed, please!
Thread Starter
Intermediate
Joined: Jun 2024
Posts: 29
Likes: 3
From: Cleveland, OH
Fuel sensor help needed, please!
Hello,
If anyone can help me or has experienced a similar issue, I would appreciate any insight very much!!
I took my 2014 C7 out for a spin today for the first time since storing it for winter. When I put it away last fall, I had the oil changed and filled the tank, had it detailed and washed, connected the battery tender and put the cover over it.
When I started it up today, two strange things happened. First, the oil life dropped from 96% to 53%. I reset the oil life because I know for sure that it was just changed last fall and was only driven from the Corvette shop back to my house and then stored. Second, the fuel gauge is reading at a quarter of a tank! While I am absolutely certain I filled it before storing it, I drove it to the gas station just to be sure although nothing was leaking on the floor, to put more gas in it. I got to $1.96 and the gas pump clicked off because it’s full.
When I got home, I disconnected the battery for 3.5 hours and reconnected it to see if this might help “reset” but to no avail!
Has this happened to anyone else and if so, what do you recommend?
Thank you so much!
Paula
If anyone can help me or has experienced a similar issue, I would appreciate any insight very much!!
I took my 2014 C7 out for a spin today for the first time since storing it for winter. When I put it away last fall, I had the oil changed and filled the tank, had it detailed and washed, connected the battery tender and put the cover over it.
When I started it up today, two strange things happened. First, the oil life dropped from 96% to 53%. I reset the oil life because I know for sure that it was just changed last fall and was only driven from the Corvette shop back to my house and then stored. Second, the fuel gauge is reading at a quarter of a tank! While I am absolutely certain I filled it before storing it, I drove it to the gas station just to be sure although nothing was leaking on the floor, to put more gas in it. I got to $1.96 and the gas pump clicked off because it’s full.
When I got home, I disconnected the battery for 3.5 hours and reconnected it to see if this might help “reset” but to no avail!
Has this happened to anyone else and if so, what do you recommend?
Thank you so much!
Paula
Team Owner
Joined: Jul 2004
Posts: 28,376
Likes: 3,260
From: Hartford WI
I believe the oil change thing will zero out in 12 months after it is reset since GM says to change it after 12 months. What is 100%/12? Basically every month of storage, it loses 8.33% of the life whether you use it or not. Did you store it for about 5 months?
You might have a sender issue.
You might have a sender issue.
Safety Car
Joined: Jun 2003
Posts: 4,509
Likes: 239
From: Coconut Creek FL
Putting a bottle of Techron and drive the gas out of it would most likely resolve your issue. Worth a shot for a cheap and easy fix. Techron does wonders for the fuel sending unit inside the tank. I use a bottle every couple of months on my 2014 Z51. No fuel gauge or level issues.
Thread Starter
Intermediate
Joined: Jun 2024
Posts: 29
Likes: 3
From: Cleveland, OH
I believe the oil change thing will zero out in 12 months after it is reset since GM says to change it after 12 months. What is 100%/12? Basically every month of storage, it loses 8.33% of the life whether you use it or not. Did you store it for about 5 months?
You might have a sender issue.
You might have a sender issue.
Last edited by pleonardi80; Apr 19, 2025 at 10:44 AM.
Thread Starter
Intermediate
Joined: Jun 2024
Posts: 29
Likes: 3
From: Cleveland, OH
Putting a bottle of Techron and drive the gas out of it would most likely resolve your issue. Worth a shot for a cheap and easy fix. Techron does wonders for the fuel sending unit inside the tank. I use a bottle every couple of months on my 2014 Z51. No fuel gauge or level issues.
thank you so much!!
Safety Car
Joined: Jun 2003
Posts: 4,509
Likes: 239
From: Coconut Creek FL
Thread Starter
Intermediate
Joined: Jun 2024
Posts: 29
Likes: 3
From: Cleveland, OH
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Thread Starter
Intermediate
Joined: Jun 2024
Posts: 29
Likes: 3
From: Cleveland, OH
Im not familiar with that product unfortunately. id say probably run thru your current tank and see if any improvements are noticeable. I’ve used Techron in all my corvettes from C5 and up, it has always helped me with keeping the fuel level indicator functioning as designed. I keep several bottles on the shelf for routine maintenance.
Team Owner
Joined: Sep 2000
Posts: 24,992
Likes: 2,694
From: Far NW 'burbs of Chicago
St. Jude Donor '13
Hello,
If anyone can help me or has experienced a similar issue, I would appreciate any insight very much!!
I took my 2014 C7 out for a spin today for the first time since storing it for winter. When I put it away last fall, I had the oil changed and filled the tank, had it detailed and washed, connected the battery tender and put the cover over it.
When I started it up today, two strange things happened. First, the oil life dropped from 96% to 53%. I reset the oil life because I know for sure that it was just changed last fall and was only driven from the Corvette shop back to my house and then stored. Second, the fuel gauge is reading at a quarter of a tank! While I am absolutely certain I filled it before storing it, I drove it to the gas station just to be sure although nothing was leaking on the floor, to put more gas in it. I got to $1.96 and the gas pump clicked off because it’s full.
When I got home, I disconnected the battery for 3.5 hours and reconnected it to see if this might help “reset” but to no avail!
Has this happened to anyone else and if so, what do you recommend?
Thank you so much!
Paula
If anyone can help me or has experienced a similar issue, I would appreciate any insight very much!!
I took my 2014 C7 out for a spin today for the first time since storing it for winter. When I put it away last fall, I had the oil changed and filled the tank, had it detailed and washed, connected the battery tender and put the cover over it.
When I started it up today, two strange things happened. First, the oil life dropped from 96% to 53%. I reset the oil life because I know for sure that it was just changed last fall and was only driven from the Corvette shop back to my house and then stored. Second, the fuel gauge is reading at a quarter of a tank! While I am absolutely certain I filled it before storing it, I drove it to the gas station just to be sure although nothing was leaking on the floor, to put more gas in it. I got to $1.96 and the gas pump clicked off because it’s full.
When I got home, I disconnected the battery for 3.5 hours and reconnected it to see if this might help “reset” but to no avail!
Has this happened to anyone else and if so, what do you recommend?
Thank you so much!
Paula
The C7 does the "time" calculation automatically- your oil life remaining will drop by about 8.3% each month even if the car is never started. Of course other things (like miles driven, oil temperature, etc) will decrease oil life more rapidly, but the time element is always counting down.
Thread Starter
Intermediate
Joined: Jun 2024
Posts: 29
Likes: 3
From: Cleveland, OH
Previous generations of Corvette were supposed to get an oil change at least once per year regardless of miles driven, but you had to remember that by yourself.
The C7 does the "time" calculation automatically- your oil life remaining will drop by about 8.3% each month even if the car is never started. Of course other things (like miles driven, oil temperature, etc) will decrease oil life more rapidly, but the time element is always counting down.
The C7 does the "time" calculation automatically- your oil life remaining will drop by about 8.3% each month even if the car is never started. Of course other things (like miles driven, oil temperature, etc) will decrease oil life more rapidly, but the time element is always counting down.
8th Gear
Joined: Nov 2023
Posts: 8
Likes: 1
Fuel Gage Float Problem on 2014 Stingray
My fuel gage went to empty and stayed there. I tried Techron to unstick the float. But no help. I noticed that engine check light was on in the dash so I bought an OBDII code device for $20 and checked the code. Code showed failure of float in gas tank. When I cleared the code, using the OBDII, the fuel gage started working again. Wow! Maybe it is computer related issue rather than a real stuck float. Anyway, good for now.
Team Owner
Joined: Jul 2004
Posts: 28,376
Likes: 3,260
From: Hartford WI
My fuel gage went to empty and stayed there. I tried Techron to unstick the float. But no help. I noticed that engine check light was on in the dash so I bought an OBDII code device for $20 and checked the code. Code showed failure of float in gas tank. When I cleared the code, using the OBDII, the fuel gage started working again. Wow! Maybe it is computer related issue rather than a real stuck float. Anyway, good for now.