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Fuel gauge

Tiny
GLAKKEN13
  • MEMBER
  • 2000 CADILLAC ELDORADO
  • V8
  • FWD
  • AUTOMATIC
  • 79,000 MILES
When I park my car facing downward in my drive way. Front end 1st. If I have less than a 1/4 tank of gas the sensor tells me I am low on fuel and only registers empty. Then when I pull out and drive for a while the gas gauge goes back up to around 1/4 or more. Wasn't able to start car today as a result of this. Is the fuel sensor in the back of the tank? Could this be a reason for this problem? I went and got gas in a can and filled the tank with 5 gallons. When I started the car and drove it to the station to get more gas it registered almost half a tank. What gives?
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Tuesday, February 22nd, 2011 AT 9:43 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
You're running it too low and you are going to ruin your fuel pump that way. Keep more fuel in it.
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Tuesday, February 22nd, 2011 AT 10:20 PM
Tiny
GLAKKEN13
  • MEMBER
  • 33 POSTS
Ok, Thanks. I usually keep it at least 1/2 full. Just let it get low recently.
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Wednesday, February 23rd, 2011 AT 4:19 AM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
U need a sending unit in the tank
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Friday, February 25th, 2011 AT 8:28 PM

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