What's up folks? I just had my swap completed. I have a 91 civic HB DX. I had to go from DPFI to MPFI. I have a b16a2 with a cable tranny. The problem is this, I pick it up from the shop and the mechanic is trying to tell me that the check engine light is going to stay on because something dealing with the O2 sensor. This didn't sound right, and looks bad. Is there any truth to this?