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Old 09-13-2016, 12:57 PM   #8
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Originally Posted by djrbash View Post
I wonder if this has anything to do with my idle dropping off and if timing can be modified to reduce shakiness.
That's likely due to having the air conditioning/defrost on, it cycles on and off putting a load on the engine causing the idle to not be consistent.

If it happens with the AC/defrost off then there is a service bulletin to update the tune provided your car is a 2013/2012 build.
Originally Posted by Guff View Post
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