eec4

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...

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...