your car is making that noise because your muffler needs oil and fume
That is normal operation.
There is no difference in a 1995 dodge dakota with a 3.9 v6 engine and a 2000 dodge dakota with a 3.9 v6 engine and you can exchange the newer engine with the older one.
A 1991 Dodge Dakota will have either a V6 or a V8 engine.
your engine might be overheated, causing the vibrations
The engine diagram for a 1989 Dodge Dakota be can be found in the Dakota service manual. The manual is available through most auto parts, or possibly at the public library.
Maybe you have a miss in your engine?
it is having a misfire im guessing, is it vibrating all the time?
Yes. A 3.9 v6 engine from a 1995 Dodge Dakota will fit into a 2000 Dodge Dakota with a 3.9 v6 engine. You will have to swap the intake and exhaust manifolds along with all sensors and fuel rail though.
Dodge does not have 4.3L engine. A 3.7L was not used in a 2000 Dakota. So no.Dodge does not have 4.3L engine. A 3.7L was not used in a 2000 Dakota. So no.
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the engine is constantly vibrating and it dislodges the spark plugs
A 1992 Dodge Dakota with a 5.2 L V8 has an engine oil capacity of 4.0 quarts.