Does anybody know off hand what other years or makes ECU is interchangeable with 92 dakota 5.2

 

92-95 dakota
91-95 ram

 

Subnote:

94-95 Dakotas use a different fuel injector size; it's barely within tolerance, but that's worth noting.

92-93 injectors are 19#/hour, 94-95 injectors are 26#/hour. So if swapping between families, I'd also swap injectors.

Dunno about the RAMs, but I'd bet so also.

(Flow rates are from fiveohmotorsports.com by crossing the factory part numbers.)

RwP

 

Do you know if there's a way to test the ECU

 

Not without some seriously expensive equipment...... or, stuff it in another truck, and see what happens.

 

Before you condemn the ECU, try this.

1) Disconnect the negative battery cable from the battery.

2) Disconnect/reconnect the ECU connector, at least 4 cycles.

3) Reconnect the negative battery cable to the battery.

See if this took care of the problem.

Plus, what IS the problem? People like to blame the ECU for all kinds of weird stuff.

RwP

 

Ralph, is there an external indication of what computer year/model the computer is from?

 

Find the part number. Should be on the PCM somewhere.

 

Didn't think of that I am just pondering a possible cause of low MPG's being a former owner changed the computer and didn't know about the injector difference.

 

How old are the O2 sensors?