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| 6.4L Performance Parts Discussion What has or has not worked for you? |
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LinkBack | Thread Tools | Display Modes |
08-18-2009, 05:46 PM
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OK now I have a crap load of CEL! HELP PLEASE!
Some of you may know that ive been having map sensor code problems. I cleaned my air filter today and just checked to see if I had any code and this is what I got.
u2023 p0106 p0266 p0263 p1000 Help me plese I know the first is a MAP sensor code. The others are a cylinder code and I dont know what they are. 
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08-18-2009, 06:00 PM
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Alright p1000 is nothing, it will go away with key cycles.
P0106 Manifold Absolute Pressure (MAP/BARO) Sensor Range/Performance P0263 Cylinder 1 Contribution/Balance P0266 Cylinder 2 Contribution/Balance u2023, I can't find anything on from the source I look at.
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08-18-2009, 06:05 PM
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U2023 is transmission related I believe!
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08-18-2009, 06:11 PM
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U2023 has to do with the PCM....something about an abnormal message from the PCM
EDIT: Well, that is what it is for the 6.0L, I couldn't find anything on that code for the 6.4L Last edited by 08stroker250; 08-18-2009 at 06:16 PM.
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08-18-2009, 06:20 PM
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This is what I found but I dont know if it helps!
U2023 Fault Received From External Node IC U2023 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. Read more: I own a 2008 F450 diesel. What are the following... - JustAnswer
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08-18-2009, 06:30 PM
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What are these about though? This worries me since I have already had one truck blow up on me. Could theses be related to the MAP sensor?
P0263 Cylinder 1 Contribution/Balance P0266 Cylinder 2 Contribution/Balance
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08-18-2009, 06:41 PM
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Here is a list of the codes from the motorcraft serive manual but It does not have the u2023 code in it.
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08-18-2009, 06:42 PM
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Does anyone know what would cause the cylinder pressure codes?
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08-18-2009, 06:54 PM
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If I were you, I'd email a list of the codes to Brad and Josh, and find out what they have to say, they are doing your tuning, so I'm sure they would be the best to help you out, Brad helped me right away when I had questions about a few simple codes.
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08-18-2009, 07:01 PM
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Quote:
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