How many O2 sensors does an 04 Dodge Ram 1500 4x4 have and where are they located?
Mar 3, 2007 at 8:01 AM

The 4.7L V8 has four oxygen sensors: two upstream and two downstream, with two on each side.
The owner asked how many oxygen sensors a 2004 Dodge Ram 1500 4x4 has and where they are located. After confirming the engine is a 4.7L V8, the expert said there are four sensors, two on each side, consisting of two upstream and two downstream sensors, and referenced a diagram.