P0420 is catalytic converter efficiency failure.
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0420 means: Catalyst Efficiency Below Normal (Bank 1)
yes
depends on the engine
firing order for the 1998 2.5 litre is 1.2.4.3 for the Dodge Dakota.
If from the same engine, yes.If from the same engine, yes.
The engine is under the hood.
on the engine
4.5 quarts
The 2.0L is interference, the 2.4L and 3.0L are not.
yes
Yes, depending on engine SIZE. (;