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After Googling all day, I found a recommendation to remove the negative battery cable for 3 minutes....It worked! No more check engine light.

Merry Christmas!!!

:)

I read the 2011 Dodge Challenger SRT8 6.4 - checked the Custom Key (I don't think this was necessary) and saved the .hpt file.

Changed the MDS to disabled and did a write to the car. ...

<EASY BUTTON> Thanks! I can see it now :)

I'm not seeing the fuel saving tab in HP Tuner. (see attached photo)

Anyone have any ideas?

I'm trying to turn off MDS.....

Thanks,

Greg