It's been absolutely ages since i needed to read from my ECU, I just tried to do this but a windows box with read and cancel just stayed on the screen for about 5 mins, until I got fed up and canceled it. I thought I'd try to write to the ECU and as usual it did this with no problems.
All this was on my 2001 Evo 7. I tried reading with the engine running as well, still no good. Very odd, write is always Ok, Cable is about 18 months old.
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