Hondata

i am pulling cel code #21. how can i check if the vtec solenoid is good or bad ?

to anyone who will help. thank you!

dax if you would help me i would appriciate it! i need help with cel code 20.
does this mean that i have an open circuit somewhere and if yes then is there any place that it might be specifically talking about? pls any help thank you!!!!!!!!!!!!!!!!

i have a 92 integra with a b16a. i used to have a p72 obd-I but it blew a fuel injector driver or something. they said i had an sir1 motor with sir2 wireing. so it was in safe mode and some other stuff. well i put in a jdm p30 and it runs well except the cel codes. and vtec does not enguage. it is ...