air fuel ratio

來源: hotpepper 於 2019-09-23 18:00:58 [] [舊帖] [給我悄悄話] 本文已被閱讀： 次 (325 bytes)
回答: 這個檢查起來比較麻煩吧？ 由 原上草2017 於 2019-09-23 16:49:42

Your error code indicates the air fuel ratio is wrong. Only three factors affect A/F ratio, MAF sensor, upstream O2 sensor such as B1S1, and potential air leakage after MAF. Therefore I said first check MAF and O2 sensor. If O2 sensor stable at 0.75 v and not change quickly with time, that indicates a bad sensor.

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