顿manbetx体育手机The three different Check Engine codes (//m.whoreclub.com/services/check-engine-light-is-on-inspection) you mentioned (P0420 (//m.whoreclub.com/article/p0420-obd-ii-trouble-code-catalyst-system-efficiency-below-threshold-bank-1-by-jamahl-walker), P0133 (//m.whoreclub.com/article/p0133-obd-ii-trouble-code-o2-sensor-circuit-slow-response-bank-1-sensor-1-by-blake-griffin), and P0171 (//m.whoreclub.com/article/p0171-obd-ii-trouble-code-system-too-lean-bank-1-by-andrew-quinn)) would need to be diagnosed first to see why they are stored in computer memory.需要机械工清除