Originally Posted by JD_Z28
I have an 02 Z28 and these codes just popped up a little after installing an
STS kit. Does anyone know what the problem may be, thanks.
P0418 Secondary Air Injection System Relay A Circuit Generic OBDII Code
P0412 Secondary Air Injection Switching Valve A Circuit Generic OBDII Code http://www.ls1tech.com/forums/showthread.php?t=209783
Originally Posted by horist
if it asks you to regsiter.. the fields are dummy fields...
Type gibberish into them and it'll accept it... that's what I do