dodge 2.2 turbo II odd efi problem, intermittent rich condition

[James Weiler]

So this is just my guess.  I assume that your Dodge is a speed density 
system and not a hot wire (mass air flow meter) system.  In which case 
the computer is programed to deliver a certain amount of fuel at a 
certain RPM/throttle position/load.  When a lobe is flattened you're not 
taking in as much air as you should be but the computer is oblivious to 
this fact since it does not physically measure the amount of incoming air 
it infers it from the programed look up tables.  Since there is less air 
but a predetermined amount of fuel going in you wind up with a rich 
situation.  I think it makes perfect sense.  Worn engine means less air 
entering but the same amount of fuel thus the richness. (just to beat the 
point into the ground)

Then again what do I know.  What do other people think?
cheers
jw