Question

I have two codes P0461 and P0463, can that be the reason my gas gauge stays on empty?

Answer 1

Hi there,

These codes are both for the fuel level sending unit, so it's very likely the reason you have the problem. Most of the time the sending unit itself is the actual problem.

Answer 2

P0461 GMC Code - Fuel Level Sensor Circuit Range/Performance
Read more: https://www.autocodes.com/p0461_gmc.html

P0463 GMC Code - Fuel Level Sensor Circuit High Input
Read more: https://www.autocodes.com/p0463_gmc.html