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Topic: Service fuel system notice

in Forum: C6 Problems


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Service fuel system notice (1/3)
 7/18/14 2:37pm
1Cool60
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Canon City, CO - USA

Vette(s):
2006 Coupe


Joined: 4/29/2014
Posts: 2

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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Re: Service fuel system notice (2/3)
 7/23/14 2:14pm
CRMGSCoupe
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Camp Hill, PA - USA

Vette(s):
2002 QuickSiver Convertible, 2007 LeMans Blue Coupe, 2010 Crystal Red Metallic Grand Sport Coupe (Heritage Edition). 6 Speed Manual


Joined: 4/7/2008
Posts: 46

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.
 
Re: Service fuel system notice (3/3)
 9/9/14 11:02am
Fred in Alabama
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Montgomery, AL - USA

Vette(s):
1998 Pewter Coupe


Joined: 3/1/2014
Posts: 3

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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