Cadillac Deville The flagship luxury car, offering the class with which the Cadillac has been associated, for decades

fuel gauge issue

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Old Jul 20, 2008 | 09:24 AM
  #1  
philv's Avatar
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Default fuel gauge issue

my fuel gauge always stays about 2-3 gallons more than what I really have untill I get down to half tank or less. then it goes back up around full. and sitting still it jumps around
 
Old Jul 20, 2008 | 02:24 PM
  #2  
carnut's Avatar
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Posts: 463
Default RE: fuel gauge issue

Thats weird!!! is this an Edsel or a Tucker?
 
Old Jul 20, 2008 | 03:39 PM
  #3  
philv's Avatar
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Default RE: fuel gauge issue

lol its a 99 deville
 
Old Jul 20, 2008 | 06:02 PM
  #4  
slowroll's Avatar
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Default RE: fuel gauge issue

You need a sender unfortunely, pricey. GM sells an additive designed to cleaned clean deposits from sender which is worth trying.
 
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