Check heat shield on catalytic converter
Yes, there is a fuel sensor in a 2000 GMC Sierra.
The 2009 GMC Sierra-3500HD has a V8 engine.
The 2008 GMC Sierra-2500HD has a V8 engine.
The 2010 GMC Sierra-1500 has a V6 engine.
The 2002 GMC Sierra-2500HD has a V8 engine.
The 2007 GMC Sierra-2500HD has a V8 engine.
The 2011 GMC Sierra-1500 has a V6 engine.
The 2011 GMC Sierra-3500HD has a V8 engine.
The 2012 GMC Sierra-3500HD has a V8 engine.
The 2010 GMC Sierra-3500HD has a V8 engine.
The 2013 GMC Sierra-3500HD has a V8 engine.
The 2008 GMC Sierra-3500HD has a V8 engine.