my buddy who was a certified mechanic before the army installed a KN cold air intake on 2001 Porsche 911 carrera 4 and it's installed correctly and sounds good but immediately after we connected the battery when we was done and turned her on, the ABS and PSM off light came on. So for now the car has no abs or psm.. Im probably just being paranoid and it's a quick fuse fix or something but wanted to ask here what do yall think? Easy fix or something possibly worse? Couldn't be the MAF could it since it's just those two and not the actual "CEL"? Should I be careful driving and not go wide open for a while or what? Any tips/opinions/advice please.

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