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6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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Old 08-11-2009, 11:20 AM   #1 (permalink)
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DTC's P0401/P0603
I got DTC's P0401 (EGR Flow Insufficient Detected) and P0603 (Powertrain Control Module KAM Test Error). Does it seem alright to just clear them out or are they something severe that need to be addressed urgently?

I hope I'm not annoying anyone by making this a new post in this section, but I was getting no help in the General Questions area. Hopefully I can get a little help here.
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Old 08-11-2009, 05:27 PM   #2 (permalink)
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Stock EGR?
Blocked?
Mileage?
EGR valve Cleaned how long ago?

We need to know!!!
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Old 08-11-2009, 05:58 PM   #3 (permalink)
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EGR deleted.
About 70K miles.

Got the DTC's from my HyperTech Power Programer III. Went to load a file and it displayed DTC's. Just wondering if it is ok to just clear these codes, or what is it that needs to be done.
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Old 08-11-2009, 11:56 PM   #4 (permalink)
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Those codes are normal indications for the Mods you have done. No worrys at this point.
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