B BirdmansProtege Member : 2001 Protege Sep 3, 2017 #1 What is the compatibility with these ECU's i noticed some have different 4 character codes on them
H hornsfan10609 Certified Mazda Tech : 2003.5 Mazdaspeed Protege x2 Sep 8, 2017 #2 As far as I know any 01-03 FSDE ECU is the same, the only difference is if it is a Manual or Auto trans. The MP3 ECU is slightly different and can only be used with 91 octane or higher fuel, and the MSP ECU is for turbo cars only.
As far as I know any 01-03 FSDE ECU is the same, the only difference is if it is a Manual or Auto trans. The MP3 ECU is slightly different and can only be used with 91 octane or higher fuel, and the MSP ECU is for turbo cars only.
