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Check if your cAr has tune

2K views 5 replies 3 participants last post by  ostmike 
#1 ·
I recently had a Diablo i2 tuner and I had aperformance shop tune my 09 challenger how can I go back into my tuner and check to see if they really tune my vehicle????
 
#4 ·
To determine if a tune has been loaded into your PCM simply plug in you Diablo tuning tool, select options, then select "Show last tune written". This will show the name of the tune that is in the car assuming one has been loaded.

There are other ways to do this as well but this should be the easiest. It doesn't prove that the tune is "good" just that one was loaded other than stock.
 
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