OK kids here is what we have today 1990 honda civic base with a 1991 honda crx hf engine swapped over with MPFI my HF ecm is PM8. The wiring and ecm in civic before sway was a PM9. I want to add EGR to a non egr connector at ecm ill add my pics, i am SOOOOOOO new to honda so be NICE!!!! Any HELP!!!