LONG Crank Time…Runs RICH?? (’13 Chevy Silverado V8: P0172…

This 2013 Chevy Silverado V8 has been trouble starting when COLD.
It coughs, sputters, revs up, runs rough for a minute then smooths out and runs fine all day long.
2 codes are stored: P0172 and P0175: Fuel System too RICH…WHY?
Kind of an odd scenario…but turns out we can fix in in 1 MINUTE…from the Driver’s Seat…with NO PARTS REQUIRED!!
TOPDON Phoenix Plus:
https://www.amazon.com/dp/B091BQNR3S?linkCode=ssc&tag=onamzpineholl-20&creativeASIN=B091BQNR3S&asc_item-id=amzn1.ideas.NHZL00NIDEPF&ref_=aip_sf_list_spv_ofs_mixed_d_asin
S.U.R. & R. FPT22 Deluxe Fuel Injection Pressure Tester Kit – 30 Piece
https://www.amazon.com/dp/B004IJOLPE?linkCode=ssc&tag=onamzpineholl-20&creativeASIN=B004IJOLPE&asc_item-id=amzn1.ideas.2RG42J5VNKKTV&ref_=aip_sf_list_spv_ofs_mixed_d_asin
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