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 P2195 for the air fuel ratio sensor circuit. Refer to WIRING DIAGRAM .
Refer to DTC P0102 for the mass air flow meter circuit. Refer to WIRING DIAGRAM .