换油后的P0171
To answer your question as to the cost, it depends on exactly what is wrong. As described below, there are many underlying malfunctions that can cause diagnostic trouble code P0171 (//m.whoreclub.com/article/p0171-obd-ii-trouble-code-system-too-lean-bank-1-by-andrew-quinn). Typically, a diagnostic is performed, the exact cause is...