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P0863 code help!!!!!

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Old Oct 19, 2010 | 07:20 AM
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Unhappy P0863 code help!!!!!

Have an 07' F-250 6.0 diesel
Sounds like an old John Deere tractor for about 5 minutes after starting.
Been doing this for 2 years now when cold. Now it is happening after turning it off for a couple of hours even in the summer. Any suggestions????
 
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Old Oct 19, 2010 | 08:45 AM
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I think that code is a TCM communications code? I think you are decribing what sounds like a fuel injectors issue to me.

Your injectors are fired with the help of Oil pressure.

I don't know enough about the system. Does the truck run better after an oil change? How often do you change the oil?
 
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Old Oct 19, 2010 | 10:19 AM
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Can't find that code anywhere.

What type of oil are you using? Are you using Motorcraft oil filters? Are two more questions.

I think I'd want to know FICM voltages also.
 
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