Perform a leak down and comp. check, could be a bent valve or bad rings.............good luck :bigthumbsupMisfire # 7 I have checked all connections everything is hooked up.
I also checked and cleaned the TB and MAS which inproved the rough idle but it came right back along with the check engine light.
CMAN where do I refer to the ## you posted? 04-16-1 and 05-15-8 and you can hear it better by the front tire well.