Quote:
Originally Posted by kiwi_bloke
Is it possible it just relearnt the adaption values?
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Yes, the car will relearn by itself, though it takes a (long)while and if they are too far out, it will run very badly. Using a scanner with the right software can reset the adaptation values right away, and there is a specific procedure for doing so.
The lesson to be learned here is that when changing a battery, don't interrupt the 12v supply to the car. Most shops use a small 12v battery to ensure uninterrupted 12v, while the battery is disconnected.