According to Haynes Repair manual, fault code 12 (1 flash, pause, 2 flashes from check engine light) means 'Memory standby power lost'.
In other words, the battery has been disconnected recently. Not usually indicative of a problem, unless your battery hasn't been disconnected recently. Then you might want to look for a short between the battery and the engine control module.
Nothing. All of the diagnostic codes consist of 2 digits. 'Code 3' must be incomplete.
Diagnostic code 44 means: Battery temperature sensor voltage out of range.
Fault code 16 means: Loss of battery voltage.
buy a book like Chilton, and it has all the diagnostic codes listed in it. buy a book like Chilton, and it has all the diagnostic codes listed in it.
charging system excess or lack of field current
Trouble code P0720 means:Output speed sensor circuit malfunction
Check tht injector wiring harness for loose and corroded connections.
Cylinder #8 misfire. Something is causing #8 to not fire properly, suggest you start with a tune up.
The plug-in for a code reader on a 1990 Dodge Dakota is located under the hood along the firewall.
code 45 is an overboost code
You don't really. That is, the memory capacity and function is restored when you restore power, but any information stored in memory is lost permanently.
no