2002 dodge durango slt 5.9 171 305 307 need the code for these

Question

need to find what these codes are 171 305 307

Answer 1

P0171 Fuel trim too lean Bank 1

P0305 Misfire number 5 cylinder

P0307 Misfire number 7 cylinder

Have the firing order check, make sure cylinder 5 at the distributor is for cylinder 5 and so with cylinder 7. These cylinder are so close together you may just have to rule out a mechanical condition