Engine Light?

I have a 2013 GT and I recently installed a one piece aluminum driveshaft. A few days after my check engine light came on Ive never had any problems with the car and the light has never come on before this. I tried reinstalling my previous tune which turned the light off for a day but then came right back on. Anyway it has something to do with the driveshaft I installed? The car drives the exact same and can tell no difference at all, but since I have a boss manifold along with other aftermarket mods my local dealership wont touch it. Any advice or input would be appreciated!!

bdcardinal said:

What code did you pull from the computer?

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You can just pick one of the forum posts to reply too I noticed you replied to both. But how I do that with my tuner?