Ford Ranger 1998, 2wd 4.0 automatic. codes p0171 and p0174. engine shutters at stop lights

Question

engine started shuttering at lights while stopped, sometimes bucks going down the road, but smooths out. cleaned MAP Sensor and air intake sensor. Still does this and now finally got engine light on. codes read 6 with all being p0171 and p0174. o2 sensors were replaced 2 years ago and i only have 58,000 miles on it. had truck since new. any clue to what or why this is happening.

Answer 1

P0171 Fuel trim lean Bank 1

P0174 Fuel trim lean Bank 2

What are the other code that where accompanied with this ? Vacuum leaks and low fuel pressure are main causes of lean bank condition , If there was a cam position sensor code with this a faulty cam position sensor can cause a lean bank code. Misfire are also causes of lean bank codes.