ok got three questions. one is my check engine light is on and i have no idea how to pull the codes?? its a d16z6 with a p28 in a 95 civic dx. also i was goin to wire vtec and the open holes on the cannon for the wires were filled so i just hard wired it straight to the ecu. is that ok?? and do i splice into the solenoid wire and the vtec oil wire or cut them off and crimp the wires that im runnin to the ecu?? thank you guys ahead of time. oh yeah and i did search for this stuff and didnt find anything but un-answered questions.