im not for sure what wire you would check, but a sohc vtec isn't exactly a punch of power to begin with.. any common mods on it yet i/h/e? or just stock.. if so its not gonna be extremly noteable soundwise, what i did when i had my sohc vtec, would wind out 2nd gear an you should hear it kick in, just pay attention closely you should hear itkdawg97ex said:hey i got the d16y8 and i dont feel the vtec kick in at 5500 rpms is there a wire i can check to make sure its plugged in