2004 cadillac cts gas gauge broken; it is only the gas gauge that constantly reads empty; upon completely disconnecting the battery for a while and then reconnecting it, it works for a couple of minutes then goes back to zero. HELP!
Fuel sender unit
The reason the guage is staying at empty is because it has set a code for a fuel level sensor. This car has 2 so it could be either one, or a wiring issue (unlikely). When you disconnect the battery, you likely either clear the code or reset it as not current so it allows the gauge to work for a short time until the code sets again. Have it scanned and I am sure you will find a code likely P2066 or P2068 for the level sensors.
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Something to do with the reception or antena system..
Or the tuner in the radio is failing..
Rate well ;o)
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My 2003 CTS would not start on the first, second or third try after filling the gas tank. Finally after several months of this occuring every two weeks a check engine light came on. It was the evac purge valve. Tom
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To get the key out; look under the steering wheel for a plastic flat head screw. untwist it and then push the spring in and your key will be free. Then, go to your fuse box and remove the main fuses and you will hear the doors unlock when the system reset itself. Plug them back in and start your car. This just happened to me... seems the only things that were working were the navigation screen, headlights, fog lights, and reading light on the inside. Dash board was all dark except the engine light.
SOURCE: cadillac 2004 cts, wont start
My car just started to have this same exact problem. Worked fine, came back home from a trip and it won't start. Everything comes on but no fuel guage movement or click when try to start. I have 85,000 miles on the car. Seems to be a common trend. Anyone find or receive a fix from a dealership?
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