P01 to P59 swap

Peter T

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I have a 2001 Yukon XL Denali with a 6.0L with a hole in the block. I bought it this way and I was planning on swapping in a 5.3L from a 2004 Tahoe.

After looking at both of them, the 01 has an EGR valve and the 04 doesn't. The PCMs are different with the 01 being a P01 and the 04 being a P59. Is there any issue swapping from one engine and PCM combo to the other? The transmissions were both automatics but the 04 was only RWD and the Yukon is 4wd.

Either way the engine is getting being removed today and the 04 is getting shoved in there this week. I'll figure it out one way or the other. Any help would be appreciated.
 

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