Possible Cause

DTC P0131

• Harness or connectors [The A/F sensor 1 (bank 1) circuit is open or shorted.]
• A/F sensor 1 (bank 1)

DTC P0151

• Harness or connectors [The A/F sensor 1 (bank 2) circuit is open or shorted.]
• A/F sensor 1 (bank 2)