Recent content by giernachblut

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    Check engine light after head unit install 2011 Hyundai Sonata

    I would think so too but it was running perfectly fine for a couple months up until I put the system back in.
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    Check engine light after head unit install 2011 Hyundai Sonata

    Hello, this is the second time I've had this issue occur. The first time, I installed just my aftermarket head unit. The check engine light came on, my car sputtered here and there, and the next day my car refused to accelerate. I put the stock deck back in, brought it into Hyundai and they said...
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