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Home >> Lexus >> 2016 >> ES 350 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (1 Of 3)) >> SFI System >> DTC P0171: System Too Lean (Bank 1); DTC P0172: System Too Rich (Bank 1); DTC P0174: System Too Lean (Bank 2); DTC P0175: System Too Rich (Bank 2) [07/2015 - ] >> Wiring Diagram

DTC P0171: System Too Lean (Bank 1); DTC P0172: System Too Rich (Bank 1); DTC P0174: System Too Lean (Bank 2); DTC P0175: System Too Rich (Bank 2) [07/2015 - ]: Wiring Diagram

Refer to DTC P0102 for the mass air flow meter sub-assembly circuit (Refer to WIRING DIAGRAM ).

Refer to DTC P2195 for the air fuel ratio sensor circuit (Refer to WIRING DIAGRAM ).

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