My ‘04 GT has been cutting out and dying when I cold start it. After a few times dying it will stay running. I pulled code P0505 for “Idle Control System Malfunction”. I don’t necessarily want to go replace the IAC because it’s $250 on rock auto. Should I go ahead and do it anyways or look into some...

I have a weird one here. I replaced the failing C60 on my 04 GT with a junkyard C60, I also installed an M-Pact clutch kit (yes i know theyre not the best) fast forward a few thousand miles and I decide to send it getting on the highway. i got all the way up to redline basically and push in the clut...