P0171 is "system lean-bank 1", and means your car's computer is having a hard time keeping the mixture right. Right now, it is adding all the fuel it can and still not making it to the correct...
P1131- lack of 02 B1 S1, lean
Answer .
more numbers
P0174 Lean Bank 2
P0301 Misfire
P0302 Misfire
P1151 H02S B2S1 Lean
if that helps i paid about $100 for someone to tell me i needed to...