I have a 1992 honda civic hatch dx I just put a H22A in it I have no check engine light on. But My vtec is not engaging I can run a 12volt source to the vtec solenoid and it enagages. All my wiring is correct, to my knowledge; I built my own harness (maybe thats the problem lol I dont know im out of options). Any ideas or anything? I have replaced the knock sensor and the vtec oil pressure switch. I've checked my oil pressure on the head and it's correct. I'm thinking it might be something in the harness that I forgot about. While the car is running I've unplugged the vtec solenoid and then the check engine light switches on; same for the oil pressure switch