2012 Chevrolet Volt L4-1.4L ElectFACTORY OEM SERVICE PROCEDURE

Fuel Level Sensor: Locations




Wheels/Vehicle Underbody Component Views

Underbody - Fuel System Components

Factory service manual diagram



1 - B47 Fuel Pressure Sensor
2 - Q63 Evaporative Emission System Leak Detection Pump Assembly
3 - Q13 Evaporative Emission Vent Solenoid Valve
4 - B150 Fuel Tank Pressure Sensor
5 - B46 Fuel Level Sensor
6 - G12 Fuel Pump
7 - A7 Fuel Pump and Level Sensor Assembly
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.