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DTC Troubleshooting: P0138 (3.0L Engine): Notes

DTC P0138  : Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Circuit High Voltage

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) .

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