MCU and ECU?!?!


mornin151

15+ Year Member

Joined
Mar 1, 2009
Messages
145
Points
3,101
Vehicle Year
1984
Transmission
Manual
what is the differance with a MCU and a ECU? i have a MCU in my truck but its not pluged in... its a 84 and had a 2.3 in from the factory... now its got a cobbled up 2.8 that was in it when i got it... thanks
 
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