misfire | Ford Thunderbird forum club group 1955-2005 models

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misfire

  1. 0

    2004- OBD Code P0304 where is cylinder #4?

    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...
  2. M

    Strange Electrical Issue with my 1986

    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...
    • Michaelman
    • Thread
    • 1986 cougar electrical ford mercury misfire strange thunderbird
    • Replies: 3
    • Forum: 1967 - 1988 Ford Thunderbird
  3. S

    No charging after 2002 new plugs and valve covers... BUT no indication of alternator charging fault

    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...
  4. tommyc

    NOOB here with questions about the dreaded "COP" problem

    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...
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