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Home › Nissan-Datsun › 2006 › Quest SL › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTCS P0137 To P0445 › DTC P0405, P0406 EGRT Sensor › DTC Confirmation Procedure › Procedure For DTC P0406 › Testing Condition:

Testing Condition:

Always perform the test at a temperature above -10°C (14°F). 

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