so this past weekend i decided to throw on my vtec controller.. it all seemed well until i actually drove the car, after a couple of minutes of driving the check engine light came on.. so i checked for the code.. and its throwing a code 21... so i drove it again while monitoring the v-tec controller to see if the v-tec was opening, and according to the v-tec controller it is... but li ke i said im stilll throwing the code.. any body know why, or what i could do?

 

guys help me out here please