2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

ECU Help Redom N374

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Old Sep 13, 2019 | 04:08 PM
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ECU Help Redom N374

Hey guys! Anyone have ANY info on these ecus? Ive read alot of different stuff on them and about some blackbox that i cant seem to have either.. Any help appreciated
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Old Sep 16, 2019 | 10:51 AM
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From: https://www2.mazda.com/en/100th/
they had 3 levels of the ecus.

A was for the stock cat, stock turbo, slightly higher boost, different fuel and timing maps.
b was stock turbo, full exhaust
C was custom, so these should be bought as an ecu that has been upgraded to an Eprom, and if you're a Hacker, you could tune it yourself
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Old Sep 16, 2019 | 03:51 PM
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Thanks! How would i check what ecu level i have?
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Old Sep 17, 2019 | 10:58 AM
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From: https://www2.mazda.com/en/100th/
if you can read the sticker under the tape, it should say, if not you can send them the serial number and they can look it up.
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