eec4

  1. H

    87 T-bird W/92 5.0 Swap High Idle

    Hello All, New here. Ill do my best to explain the situation. Bought a 1987 Thunderbird for my brother. The car was originally a 5.0 non-HO. The previous owner swapped in a 5.0 HO out of a 1992 fox body and a AOD trans. He also swapped in the A9P eec without doing any harness changes. The...
  2. IdaFox

    Electrical Unable To Pull Cel Codes

    Hello everybody, I recently purchased a 1989 Mustang GT, and it has a check engine light. I don't have any history on the car, so I'm really starting at step one. I followed jrichker's post here on the process for checking the CEL codes but unfortunately the CEL light never flashes. It just...
    • IdaFox
    • Thread
    • cel check engine light eec-iv eec4 not flashing not working solid
    • Replies: 10
    • Forum: Fox 5.0 Mustang Tech
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