HELP PLEASE

  • Tiny
  • drich25
  • 2004 Chevrolet Tahoe
  • V8
  • 2WD
  • automatic
  • 104,000 miles

My gas light is on and gas gauge on is on E, but my tank is full in my 2004 Tahoe. Did not act like this before my head on collision.

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Friday, July 29th, 2011 AT 8:10 AM

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  • Tiny
  • caradiodoc
  • Expert
  • 25,616 posts

There's three things I can think of. Given the recent history, you might suspect a baffle in the tank broke loose and is holding the sending unit's float down. I've heard of that but have never seen it for myself. The tank might be deformed too causing the float to bind. The wire to the sending unit could be damaged. Older trucks used an "anti-slosh" module that plugged into the back of the instrument cluster to steady the resistance from the bouncing sending unit. I would think they're no longer using that by 2004 but if they still do, perhaps it was jarred loose.

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Friday, July 29th, 2011 AT 9:24 AM

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