The 2000 GMC Sierra OBD 2 port is on lower edge of dash; right of parking brake
The obd 1 port is next to the battery
The 2010 GMC Canyon has 16 valves.
The 2009 GMC Canyon has 16 valves.
The 2005 GMC Canyon has 16 valves.
The 2011 GMC Canyon has 16 valves.
The 2007 GMC Canyon has 16 valves.
The 2012 GMC Canyon has 16 valves.
The 2004 GMC Canyon has 16 valves.
The 2008 GMC Canyon has 16 valves.
The 2006 GMC Canyon has 16 valves.
The OBD port is under the dash on the driver side.