1994-2004 V-6 3.8 and 3.9L V6 Mustangs

I swapped the pcm and got new codes

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Old Feb 19, 2018 | 04:53 PM
  #1  
Ruish's Avatar
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Lightbulb I swapped the pcm and got new codes


I was having trouble with my cluster and , was very expensive fix it, so I went to the auto wreck and got a pcm / cluster and key / for 2004 mustang v6 automatic.
The car runs but I got problems with the speed , so I put the scanner and got this codes

P1289 cylinder head temperature sensor circuit high input
P0720 Output Shaft speed sensor circuit

I have 2000 mustang v6 automatic.

Someone knows if I did something wrong ? I will need a tuner ?.
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Old Mar 30, 2020 | 01:28 PM
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On the off chance that you swap your pcm and the vin and mileage the tech may over look it on the off chance that he isn't told to check for a tune, a few shops approve of it yet FCA isn't. In the event that you hack the PCM and, at that point come back to a stock tune they can tell. Fca can request a sweep and it will raise a code revealing to them it has been messed with. On the off chance that you do anything simply expect you will be mindful and they will likely viod your guarantee.
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Last edited by fehadz; Mar 31, 2020 at 01:22 AM.
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