try resetting the TPS or diconnecting both batteries for 15 minutes and running the CPU reset procedure. that might help out. my truck does the same so ive heard that is usually a TPS problem and it just needs to be reset. test it out tonight man! good luck!
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3.55s, 305/70/16s, MBRP 4''Turbo Back, #100 Full Forward, AFE ProDry Stage 1, DDP3s, Boost Elbow, AFC !MIA Silencer Ring !MIA, 55 PSI, DiPricol Boost/Pyro/Trans, KDP Tabbed, Built 47re, Farmboys Full Cut DVs, 3k GSK, ATS Quikspool