DTC Troubleshooting: P0031, P0051(3.0L Engine): Notes
DTC P0031 : Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1) Heater Circuit Low Voltage DTC P0051 : Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) Heater Circuit Low Voltage
NOTICE:
Before you troubleshoot, review the How to Troubleshoot - Refer to: How to Troubleshoot the Fuel and Emissions Systems(2.0L Engine) or How to Troubleshoot the Fuel and Emissions Systems(3.0L Engine) .