ECU, Wiring, Sensors
By JtownHatch
#83522 anyway to upgrade my stock ECU or replace it? stock 93 cx
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By teal_dx
#83588 What other mods do you have done that you need to change your ECU? In the case of bolt on's, it isn't really needed. If you are boosted or swapping to a vtec head, then you'll need a p28 or chipped equivelant.