big Problems

[1gengsxz3]

Ok so i had a bad day i installed my safc into my 1991 gsx using the instructions from vfaq so i did everything it said just how it said but after i installed it and turned on my car in idled weird it would drop to like 500 rpms and almost quit it did that afew times and the the check engine light came on and and the car idled normally but it had the light. then i drove it and it wouldn't accelerate it would learch kind of even going with full throttle. and it was running rich the whole time. can you help me out what's wrong also the safc is the first gen and i had two left over wires the yellow and the white what is going on some one please help me understand whats happening to my baby.

 

[spyderturbo007]

Did you set the SAFC for a Karmen sensor? Which way is the arrow pointing? Did you remember to cut the MAS wire after you added the two taps?