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Home >> Lexus >> 2013 >> ES 350 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P0356)) >> 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) >> 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): 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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