Fuel Gauge Will Not Read Below 1/2 Tank

The fuel gauge may not go above or below 1/2 tank on some 2015-2016 Colorado and Canyon models.

 

If this condition is found, inspect the fuel level sender to ensure it is in the correct slot of the fuel module. If the fuel level sender is in the wrong slot, it may contact the side of the fuel tank (Fig. 15), resulting in an incorrect fuel level reading.

 

F15 fuel level sender contact

Fig. 15

The following shows the correct location (A. left fuel module) and the incorrect location (B. right fuel module) of the fuel level sender on the fuel module. (Fig. 16)

 

F16 fuel sender two modules

Fig. 16

 

– Thanks to Ken Cole

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