OK now I have a crap load of CEL! HELP PLEASE! - Ford Powerstroke Diesel Forum
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Old 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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Old 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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Old 08-18-2009, 06:05 PM
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U2023 is transmission related I believe!
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Old 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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Old 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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Old 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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Old 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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Old 08-18-2009, 06:42 PM
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Does anyone know what would cause the cylinder pressure codes?
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Old 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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Old 08-18-2009, 07:01 PM
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Quote:
Originally Posted by matt05 View Post
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.
I agree with Matt here. It doesnt seem like any of us are helping you out anyway
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