DTC Troubleshooting: P2270 (3.0L Engine): Notes

DTC P2270  : Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Circuit Signal Stuck Lean

How to use this manual .

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) .