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About t1mda

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  1. Hello, Yesterday I wanted to prepare my ecu for diy tuning. So I soldered out the original eprom, read the bin, programmed it to a new one (no changes just the original file) and soldered on a socket for the chip. Since then the car starts fine, idles like normal and even revs but as soon as I start driving, the engine dies, the radiator fan switches off and on randomly and the speedometer goes crazy. If I plug out the ecu and put it back in it starts normal again and then the same. The car is a former 2.5 20v manual with an engine out of a Euro 850 t5 automatic, so it currently runs with the auto ecu, like a manual swap. The problem stays even after desoldering the socket and soldering the original eprom back in. I personally can't see significant damages to the board. On the other hand I soldered some abs units and other things before, but I'm not a professional. So my question is if this sounds familiar to anyone, maybe I made a typical mistake and there might be a possibility to save the ecu. I found a spare one for 80 € but I wouldn't want to ruin it too.