no power, no codes
 

need a little help, 2000 3500 5.9, no power, new lp. 14 psi idle, 8 psi wot, looks like waste gate rusted fast, this morning ran good for 8 miles, shut off at store came outand no power all the way home, scan tool limited, tps 100 percent, map stuck at 29.6 all the time. any clues, thanks