1998 GMC Sonoma gas guage

Tiny
JOSHUA1033
  • MEMBER
  • 1998 GMC SONOMA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 145,000 MILES
My gas gauge just started moving after it hit like 80 miles; it jumped from over full to 3/4 of a tank I'm thinking it may be getting ready to go out. What part should I be looking for and how would I check to see what the problem is?
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Wednesday, February 10th, 2010 AT 2:41 PM

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Tiny
BLUELIGHTNIN6
  • EXPERT
Most likely just a failing fuel level sensor which is built into the fuel pump on top of fuel tank but detailed test steps are below for diagnostics..


http://www.2carpros.com/forum/automotive_pictures/261618_Noname_1623.jpg



http://www.2carpros.com/forum/automotive_pictures/261618_Noname2_498.jpg

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Wednesday, February 10th, 2010 AT 2:51 PM

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