PO452 (eecs) pressure sensor low input reading,2007 dodge ram hemi has a mis

my 2007 dodge ram 5.7 hemi has a very slight miss at idling and when i put to the floor when driving and once i take my foot of the gas peddle after flooring it, it will make a pop sound once and every time i floor the truck for preformance it will always make that pop sound once i let go of the fuel peddle.and idling a very small miss,small shaking in the truck you can hardly feel the little shudder,(miss)!!!!!!
PLEASE HELP ME I JUST BOUGHT THIS TRUCK
ALSO I GOT THIS CODE FROM IT AS I PURCHACE THE CODE READER THAT GAVE THIS READOUT!!