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When I let the fuel level get below about 10 gallons the gauge goes drops to zero and the ( Check fuel system message ) appears. After filling the tank everything returns to normal.
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Former Member
Send PMCamp Hill, PA - USA
Joined: 4/7/2008
Posts: 46
Vette(s): 2002 QuickSiver Convertible, 2007 LeMans Blue Coupe, 2010 Crystal Red Metallic Grand Sport Coupe (Heritage Edition). 6 Speed Manual
What type of fuel are you using. Have seen this on another forum, and supposed cause is High sulfur gases (fouling the sending unit). I burn nothing but Sunoco or Shell 93octane in mine and have never had a problem. I never use grocery store, big box store or convenient store gas because you just don't know what you are getting.
Not sure I should post a link to another forum, but there is a lot of discussion on it there.
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Free Member
Send PMMontgomery, AL - USA
Joined: 4/19/2012
Posts: 50
Vette(s): 1986 Gray/Blue Z-51 Coupe & 1998 Pewter Coupe
I have a similar problem with my C5- the fuel gauge drops to "E" and the check gauge light comes on at about 7/8 and corrects itself when I hit about 3/4 of a tank. This is a standard 350 ci, auto with 115000 miles.
I am using a "top tier" gas and I add a bottle of fuel injector cleaner about every 3000-4000 miles and the problem has not happened since. I was under the impression that the "top tier" has more additives including cleaner.
Incidentally, I have this problem particularly with Shell 93 and not so much with Chevron, Entec, Mobile or Exxon. I tried mixing non-ethanol (87) with 93 but didn't see any noticeable difference.
Hope this helps.
Fred
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in Forum: C6 General Discussion
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