OBD1 B18B CODE 21?
 

I put my b18b in my 93 del sol si. using the d16z6 wiring harness. I'm using the p75 ecu. I'm getting a code 21 (vtec solenid). I have a non-vtec engine and ecu. what's the deal. anyone ever seen this before. and I've already reset the ecu several times.