1998 GMC Sonoma gas guage

1998 GMC SONOMA
145,000 MILES • 4 CYL • 2WD • AUTOMATIC
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JOSHUA1033
  • MEMBER
  • 1 POST
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?
Feb 10, 2010 at 6:41 AM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
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..


https://images.2carpros.com/forum/automotive_pictures/261618_Noname_1623.jpg


https://images.2carpros.com/forum/automotive_pictures/261618_Noname2_498.jpg

Feb 10, 2010 at 6:51 AM
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