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Disconnecting the battery (temporarily or overnight, not clear) apparently resets the ECU. Then to get maximum out of the setup, you need to redline (or >5000rpm) every gear (for a few miles or for the first 100mi, not clear).

After my QP was washed last week it wouldn't start anymore and then overnight the battery went completely flat. This blanked every setting (clock, trip meters, GPS, alarm, etc, but interestingly not the radio's saved stations!). Without knowing about the ECU reset, I noticed that the engine runs better after this (my driving style is with minimum gear changes and using the full rev range).

http://www.maseratilife.com/forums/showthread.php?t=1458&highlight=reset

- Toffe
 
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