Durango 2WD V8-4.7L VIN N (2001)
Oxygen Sensor: Locations
Engine Compartment/Exhaust System
The upstream sensor (1/1) is located just before the main catalytic convertor.
The downstream sensor (1/2) is located just after the main catalytic convertor.
The right upstream sensor (2/1) is located in the right exhaust downpipe just before the mini-catalytic convertor.
The left upstream sensor (1/1) is located in the left exhaust downpipe just before the mini-catalytic convertor.
The right downstream sensor (2/2) is located in the right exhaust downpipe just after the mini-catalytic convertor, and before the main catalytic
convertor.
The left downstream sensor (1/2) is located in the left exhaust downpipe just after the mini-catalytic convertor, and before the main catalytic convertor.
