do i lose my tune after disconnected battery?

[IMPORTSMOKER]

iv had the battery disconnected for about 3 weeks...will i lose my pedeator tune?? or do i need to reinstall the tune??

 

[JB]

...will i lose my pedeator tune?? or do i need to reinstall the tune??

no and no

 

[SickBlackMach]

You just have to let it run at idle and drive on the highway a little to let the computer re-learn the fuel tables.

 

[I-CAN-STANG]

no and no

+1

 

[mustang john]

I hate it when i disconnect the battery and then have to let the ecu relearn the #60s, it always idles at like 10.0 or richer till i drive it for a while.