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Discussion Starter · #1 ·
I dont think Interchangeability is a real word but i got a quick question about ECU's

i believe my ecu has gone bad and i want to replace it. are the ecu's interchangable? i have found a spare one and on the sticker they both have 3S-G M/T on them but the other numbering is different, also the bad one is in a celica and the new one is from a Mr2, same engine, spec and year. would this cause a problem?

thank you
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