Fuel sending unit
There's a thread on this:
https://ls1tech.com/forums/general-m...el-sensor.html
Please note, this is a known issue on our cars. Most of us have had fuel level issues, and though not all cases are the same, you may be experiencing a defective fuel level sensor.
I recently replaced mine for $14. I purchased a Herko Fuel Level Sensor GFC13 For Fuel Pump Module E3369M.






