1JZ ecu manual and auto the same?

Tura_1JZ

Supra down the block
Aug 26, 2009
114
0
0
40
miami
I have a stock 1jz auto ecu tuned on greddy emanage ultimate. My auto ecu went bad and I want to know if I use a Manual ecu do I have to retune?
 
Last edited:

Radial

New Member
Aug 20, 2011
252
0
0
Norway
Its the same base-tunes on both ECU's.
But the manual vs Auto has some differences in the starter-system circuit.
From memory, the Auto vs Manual Ecu also has different rev-limiters... but thats all.

If your wideband says your engine is on target - There is no need for a re-tune.