How many and where are oxygen sensor for 2002 dodge durango 4.7?
The 4.7L 2002 dodge durango has 4 O2 sensors. ref. Chilton's
Dodge Durango/Dakota 2001-03 repair manual. page 6-19 (Oxygen
sensor - general info and replacement) The upstream oxygen sensor
is located before the catalytic converter. The downstream oxygen
sensor is located is located after the catalytic converter.