DTC P0171: System Too Lean (Bank 1) (FROM 12/2010); DTC P0172: System Too Rich (Bank 1) (FROM 12/2010); DTC P0174: System Too Lean (Bank 2) (FROM 12/2010); DTC P0175: System Too Rich (Bank 2) (FROM 12/2010): Wiring Diagram
Air fuel ratio sensor (sensor 1) circuit: Refer to DTC P2195. Refer to WIRING DIAGRAM .
Mass air flow meter circuit: Refer to DTC P0102. Refer to WIRING DIAGRAM