A 2000 Dodge Ram diesel does not have an oxygen sensor.
A 2000 Dodge Neon does not have a maf sensor.
If I knew I would not ask.
There is one on each side of the catalytic converter.
It is the sensor in the outlet of the catalytic converter.
Before and after the catalytic converter
there are two. both are on the exhaust pipe(s)
The cost of an oxygen sensor for a 2000 Mitsubishi Eclipse GT will cost between $55 and $80. The difference depends on location, dealer, and brand of sensor.
There is one on each side of the catalytic converter.
Replace the camshaft sensor
Unscrew the old one and screw the new one in.
Where is the MAF sensor located on a 2000 Dodge Ram 1500