P0171
Hi there. This code you are getting is due to your system running lean (https://www.yourmechanic.com/article/p0171-obd-ii-trouble-code-system-too-lean-bank-1-by-andrew-quinn). Most of the time, it is caused by low fuel pressure from a weak fuel pump (https://www.yourmechanic.com/services/fuel-pump-replacement) or a clogged fuel filter (https://www.yourmechanic.com/services/fuel-filter-replacement). Another possible...