2 - one located on top of exhaust pipe before cat-converter Pre-cat"
- one located between cat and muffler/silencer on top of pipe rear or post - cat
!!! Note well post - cat has two different sensor types driver side facing or passenger
the sensor faces to the right or left !!!
A 2007 Durango has four oxygen sensors.
California emissions= 4. All other states= 2.
any car after 1995 has two, or four oxygen sensors,as they use OBDII system
twotwo
The 2005 Dodge Durango has 12 valves.
The 2003 Dodge Durango has 16 valves.
The 2011 Dodge Durango has 24 valves.
The 2002 Dodge Durango has 16 valves.
The 2008 Dodge Durango has 12 valves.
The 2009 Dodge Durango has 12 valves.
The 2004 Dodge Durango has 12 valves.
The 2012 Dodge Durango has 24 valves.