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  1. 2018 PP1 Dash Wiring Harness

    I appreciate the information! I’ll have to ask them. I’ve checked the ford website but it does not really help.
  2. 2018 PP1 Dash Wiring Harness

    Hello, I have been rebuilding a 2018 mustang pp1 from the ground up for over a year now. I’m replacing the wiring harness under the dash and recently ordered one from eBay. The eBay one did not match up. Does anyone know how to figure out the part number or if wiring harnesses are...
  3. Engine Coolant over temperature

    It’s a salvage car and it was it hit on the ecu so I replaced the ecu you and the wiring harness the one that goes on the ecu. I have 3 major codes one for the cht, throttle pedal position sensor, and camshaft sensor. I replaced the wiring harness that goes on the engine. I believe the cht...
  4. Engine Coolant over temperature

    Hello everyone I wanted some feedback on a problem I have with my 2018 mustang gt. Recently replaced my ecm and now every time I turn key the temp gauge shoots right up and it’s running in limp mode. Is there a possibility that the temperature sensor could have shorted out? Thank you for any...
  5. Trans cooler line?

    Rebuilding my 18’ and I’m curious what this line does. Following the line I realize it might be a trans cooler? But I don’t see the point of them joining together. The lines are also bent so I’m assuming that they don’t belong connected together and are connected to something else. Can someone...
  6. ECM/PCM

    I appreciate your response. Thank you for chiming in and giving me some more knowledge on the subject. I was hoping I could save a little bit of money with buying a used pcm and having Ford program it for me but right now it seems like taking the vehicle to ford might just be the best option. My...
  7. ECM/PCM

    Wanted to see your guys’s input on what I should do with my ecm/pcm. I’m rebuilding a salvage 18’ gt and the ecm/pcm was smacked but yet the car fires up with ease. Long story short car throws like 30 codes and saw the ecm/pcm is damaged(bent pins, cracked circuit board, etc.). Ford quoted me...
  8. Loss of power, acceleration, and vacuum drops off

    Can you post a video? I might have the same problem.
  9. Engine rough acceleration

    Thank you guys for your feedback. I believe the IRMC is to blame now that I’m doing research. For now I’ll check for vacuum leaks and see what occurs.
  10. Vacuum Leak Help

    I have the same problem. Did you figure it out?
  11. Engine rough acceleration

    My 18’ gt is starting up but when I press the gas my vacuum gauge goes down and the engine wants to stall. I have attached a video if you guys could help out, I would great appreciate help. Thank you.





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