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Old 05-14-2012, 10:47 AM   #43
Monchy36
ZLT!!! COTW (8/5/13)
 
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Drives: 2011 IOM 1LT RS M6
Join Date: Mar 2012
Location: Slatington, PA
Posts: 4,773
Quote:
Originally Posted by meissen View Post
Disconnecting the battery cable forces the PCM to immediately relearn the fuel trims when you reconnect and start the car. If you don't disconnect the cable, it will take a little longer for the PCM to learn the fuel trims but it'll eventually learn them.
So? Is not really necesary to disconnect... It will fix itself eventually...
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