Gas Gauge Problem
Thread Starter
Instructor
Joined: Jul 2000
Posts: 223
Likes: 0
From: Matthews NC
Gas Gauge Problem
Filled 2004 with full tank of gas. HUD only reads half full. Seen this several times on forum but did not pay much attention. Anyone know of a remedy without going to dealer?
Race Director
Joined: Jul 2004
Posts: 10,295
Likes: 4
From: Downers Grove IL
St. Jude Donor '15
Melting Slicks
Joined: Feb 2000
Posts: 2,724
Likes: 41
From: Liberty Hill Texas
Try this first. BG-44K and you can find it @ http://www.bgfindashop.com
This stuff has worked for many C5 gas gauge problems. You also will need to start rotating where you buy gas. BP/Amoco, Exxon, Shell, as the detergents in each of them help counter-act the other. A lot of issues with these are concerning the C5 sensor and sulphur content of the fuel itself.
The BG-44K costs about $20-25 dollars around here and I run a can through the two C5's once a year and the gas gauge problems have disappeared.
This stuff has worked for many C5 gas gauge problems. You also will need to start rotating where you buy gas. BP/Amoco, Exxon, Shell, as the detergents in each of them help counter-act the other. A lot of issues with these are concerning the C5 sensor and sulphur content of the fuel itself.
The BG-44K costs about $20-25 dollars around here and I run a can through the two C5's once a year and the gas gauge problems have disappeared.
Tech Contributor
Joined: Dec 2003
Posts: 19,384
Likes: 87
From: Horncastle Lincolnshire, England
2023 C5 of the Year Finalist - Unmodified
If the warranty is still valid get it fixed. Techron worked for me but the sensor may be fouled up. There are some good threads describing the fuel system which explain why it happens but it can only get worse.May be worth switching gas brands. Maybe use Chevron for a while.
