Where can one purchase a stock ecu? Was looking at possibly purchasing the Lap3 ECU tune, however I would like to keep my original ECU and flash a secondary ECU.
I don't think it's that easy. I looked at doing that with my I30 CRDI and have halted till I find out more. The security coding is the issue. Unless you can copy the entire BIN file from your original ECU and put it into the replacement one it won't work. A genuine Hyundai scantool can turn off and reset the security.
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