i just installed my HKS VPC on my 93 mr2 turbo and my car idles very low ( 500 rpms) im running the stock injectors and stock fuel pump stock ignition basically only have HKS intake and exhaust. im not sure if the 4 dials on the unit are in the correct positon i tried adjusting them but i dont know what they specifically do so i have no idea how they should be set if anyone has any ideas that could help me id really appreciate it