Vehicles use generic codes, enhanced codes and manufacture-specific codes. So you must use a shop manual to get the codes used in your particular vehicle.
Cylinder #1 misfire
Trouble code P0441 means: EVAP Purge Flow Monitor Fault
Fault code 16 means: Loss of battery voltage.
Trouble code P1494 means:Leak detection pump pressure switch or mechanical fault
Trouble code P1494 means: Leak detection pump pressure switch or mechanical fault
The plug-in for a code reader on a 1990 Dodge Dakota is located under the hood along the firewall.
According to Haynes Repair Manual for 1987 to 1996 Dakotas, fault code 14 means: MAP (Manifold Absolute Pressure) sensor electrical circuit.
no
The fuse for the code reader plug on a 2001 Dodge Dakota is on the drivers side under the steering wheel by the emergency brake or clutch.
Cylinder #5 misfire
Yes, it can rule out an actual leak as a cause for a fault code and can be used to see if the pump itself is leaking.
Code 41 is for the alternator not charging properly.