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Just had my 2012 LML tuned and very happy with the results except one thing. I do not like the hissing at idle. I have read some other forums on how to stop this and they said that you have to reset the turbo vanes open and close settings. Is there a fix for this from EFI Live?
There is an idle setting for that but you must have an unlocked tune to modify it.
Tell your tuner what it's doing and they can make a setting adjustment and then send you the updated tune.
im having the same problem with my 09 lmm. i have an unlocked tune. what do i change on the idling tunes and turbo tune. new to efi live. just did 4in stright pipes turbo downpipe back. got all the emissions stuff tuned out now trying to work my way up.