air leakage

來源: hotpepper 2019-09-23 05:46:08 [] [舊帖] [給我悄悄話] 本文已被閱讀: 次 (339 bytes)

If you already made sure B1S1 O2 sensor and MAF sensor are both ok, then air leakage between MAF and intake manifold is a big suspect, check fuel trim using live data scanner to see if the engine is running too lean or too rich caused by air leakage. Do this after engine is fully warmed up so the close loop control is running.

所有跟帖: 

這個檢查起來比較麻煩吧? -原上草2017- 給 原上草2017 發送悄悄話 原上草2017 的博客首頁 (0 bytes) () 09/23/2019 postreply 16:49:42

air fuel ratio -hotpepper- 給 hotpepper 發送悄悄話 (325 bytes) () 09/23/2019 postreply 18:00:58

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