The 2003 GMC Yukon-XL runs on flex-fuel (FFV).
The 2003 GMC Yukon runs on regular unleaded.
The 2003 GMC Savana runs on regular unleaded.
The 2003 GMC Savana-Cargo runs on regular unleaded.
The 2003 GMC Sierra-2500HD runs on regular unleaded.
In the fuel tank.
The 2003 GMC Savana has a 4-speed automatic.
The 2003 GMC Yukon has a 4-speed automatic.
The answer is no.
where is the fuel pump reset button or relay switch located on a gmc sierra 2003 and how do i get to it?
It is inside the fuel tank.
The 2010 GMC Yukon runs on flex-fuel (FFV).