1990 5.0l E4OD Code 99
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7th Gear
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1990 5.0l E4OD Code 99
Hello! I need some help on this. Been searching the forums and nothing seems to be showing up. 1990 F150 XLT Lariat with the E4OD shifts fine 1-3 but will not go into over drive. The Od light is on constantly on the dash. I pulled the codes and got code 99 EPC circuit failure. I’ve traced my wires and I’m getting all the correct voltage to the Solenoid block. I’ve tested it and all the solenoids are opening when 12v is applied.
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