OBD-II codes P2195 and P0171 appear
P2195 (https://www.yourmechanic.com/article/p2195-obd-ii-trouble-code-o2-sensor-signal-stuck-lean-bank-1-sensor-1-by-jay-safford) and P0171 (https://www.yourmechanic.com/article/p0171-obd-ii-trouble-code-system-too-lean-bank-1-by-andrew-quinn) occur when the engine is running too rich (too much fuel relative to air charge) and the engine feedback system is unable to compensate. The "how can you fix this" depends on which component(s) in...
