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Re: Malfunction of B1S2 as a Reason DTC P0171
Posted to Technical Discussion Forum on 10/16/2014

O'k,

Many thanks to everyone for your attention to my questions and for your time.

As I understand from the discussion, the data from the downstream Sensor O2S2 have an impact on the value SFT/LFT #1/#2. But value of O2FT B1S2 is not changed and always equ... Login to read more.

Files Referenced:

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car Vehicle Data

2001 Lexus RX300 3.0L

Engine3.0 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2001 Lexus RX300 3.0L

Engine3.0 L
Trans4-speed Automatic (Electronic)