misfire

According to chart I have, the #4 cylinder is on pass side, nearest to firewall. I checked the harness, replaced both the plug and coil pack, and I still have rough idle and keep pulling code 0304 (misfire cylinder 4) and 0316 (misfire detected first 1000 revolutions). WTF? Is my chart wrong? Is...

I own a 1986 Mercury Cougar and I know it's not a Thunderbird (I really wanted the Thunderbird but this one was dirt cheap) but the cars are the same in almost every aspect other than the body style. It is a 2.3L turbo with a 5-speed. The car is a joy to drive, but recently I have had an issue...

Question: is it possible that the alternator charging output might not have been hooked back up after the local Ford replaced plugs and valve cover gaskets? Background: The 2002 threw a misfire code and as suspected oil leak into the plugs caused some misfiring. Ford assesses the oil leakage...

Moderator Note: 2018 COPS Discussion is here- https://forums.fordthunderbirdforum.com/threads/top-issue-02-05-ford-thunderbird-ignition-coils-cop.5040/ Hi there, I'm Tom! Just to get this out of the way . . . I don't own a bird and never have (yet). I did have a '94 Cougar, but that may be...