i finally got everything of my dohc zc.dropped it in last night did the wiring and it runs. this is where is begins. the car idles at 2000rpm i am sure i have all vacuum line connected. next the check engine light keeps coming on. it does 4 long flashes the 3 short. and the pg7 i got is a dud. so did i goof by putting the pr4 on the dohc zc. please let me know. the car is my daily driver. i thank you for the help.