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SportTrac Discussion
Engine & Drivetrain
Aloha: PCM ECU questions
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<blockquote data-quote="Nick Mann" data-source="post: 1051342" data-attributes="member: 74142"><p>Those are very common codes. If you checked the wire schematic, I would guess they all share a common ground circuit at the PCM. I had a customers 2010 Explorer Limited 4.0 with similar codes. Going with the flowchart, check replace sensors as needed. Check, repair, replace engine harness. Time and money. Nothing worked. Got a used PCM with the same box codes and reflashed it. Problem solved.</p><p></p><p>My own 2010 Sport Trac 4.6 AWD LIMITED, almost the same codes as you. I had to replace my PCM. Before I installed it. I sprayed three codes of heat reflecting paint on it and added heat reflecting wrapping. I also added an extra ground from the PCM to the ground point. I feel the heat is causing the solder joints to fail on the PC board . I have a failed PCM off a Ford van that I am going to take apart and have a look.</p></blockquote><p></p>
[QUOTE="Nick Mann, post: 1051342, member: 74142"] Those are very common codes. If you checked the wire schematic, I would guess they all share a common ground circuit at the PCM. I had a customers 2010 Explorer Limited 4.0 with similar codes. Going with the flowchart, check replace sensors as needed. Check, repair, replace engine harness. Time and money. Nothing worked. Got a used PCM with the same box codes and reflashed it. Problem solved. My own 2010 Sport Trac 4.6 AWD LIMITED, almost the same codes as you. I had to replace my PCM. Before I installed it. I sprayed three codes of heat reflecting paint on it and added heat reflecting wrapping. I also added an extra ground from the PCM to the ground point. I feel the heat is causing the solder joints to fail on the PC board . I have a failed PCM off a Ford van that I am going to take apart and have a look. [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
Aloha: PCM ECU questions
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