R.E.Developement Import King of Irvington Aug 31, 2004 #1 i was wondering what is the difference between these two ecu's? they both are obd 1.
N nfn15037 Senior Member Aug 31, 2004 #2 P72 has secondary(IAB) control, and mapping for a 1.8. Other than that, they both run the same code etc etc.
P72 has secondary(IAB) control, and mapping for a 1.8. Other than that, they both run the same code etc etc.