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1999 to 2003 7.3L Power Stroke Diesel 7.3L Power Stroke Diesel equipped Super Duty and Excursion. |
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The first thing you need to make sure of is that the PCM in your 2003 truck IS NOT a DPC-422. For everything to function correctly, you'll need a DPC-452 PCM.
After that, the diagnosis can begin. Take the chip out to diagnose any driveability concerns. |
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