Hey,

I just installed my AEM CAI and after driving it for a while my check engine light came on? Has anyone had this problem before or know what to do?

Best,
Scooby79

I've had an AEM CAI for three months now and no CEL.

Check the MAF sensor; is it screw on tight? Mine came loose after a few days of driving and caused a CEL. It wasn't THAT loose but it was enough to throw the CEL. I had no problems after that.

Don't forget to disconnect the battery afterwards to reset the ECU.

David