With this kind of question you need to check for electrical problems. Hook up a manual gauge and see it you have the same readings. If so you have internal engine problems. If not it's electrical.
No such part on a 1997 Cummins.
The Dodge pickup trucks with Cummins engines are diesel turbocharger engines. They are built by the Cummins company and have been used in Dodge Ram trucks since 1989.
94-98.5 dodge cummins 12 valve
A 1997 Dodge with a Cummins diesel does not have an oxygen sensor.A 1997 Dodge with a Cummins diesel does not have an oxygen sensor.
Yes
if the engine is stock it has 160 horsepower
1989 was the first year of the Cummins.
The Cummins diesel in a Dodge Ram does not have glow plugs, it uses an intake heater grid.
Most likely a 5.9 liter cummins turbo diesel 12v
The engine computer is mounted on the driver side of the engine block.
1997 Dodge diesels come with the 12 valve cummins engine. It is fully mechanical and does not have a camshaft position sensor. "Dodge cummins diesel forum" is a good resource for dodge cummins owners.
Because Dodge wanted to sell a Diesel version if the truck. Diesels are long lived, more rugged and higher torqued than gas engines. Chrysler doesn't make one of their own. Why invent one when Cummins makes an excellent pickup sized diesel?