Quote:
Originally Posted by wazzz
Don't know where you read this, but this is not correct. The ECU on '80s Carrera is completely switched off from power supply (battery) every time ignition is switched off. No memory is maintained and no backup power supply is used by this generation of Motronic ECU. Hence it makes no difference whether you keep the battery connected or disconnect it.
If your problem has disappeared, it must be a coincidence.
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Yea, the fuel map is loaded from the massive 8 kilobyte CPU and you are off. Earlier 3.2 DME computers only have a 4K chip. No room for storing or learning anything.