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Home >> Honda >> 2012 >> Insight LX >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics >> DTC P2270: Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Circuit Signal Stuck Lean >> Driving Pattern
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Driving Pattern

  1. Start the engine, and let it idle until the radiator fan comes on.
  2. Drive immediately at a steady engine speed between 1,500 - 3,000 rpm for at least 30 seconds.
    • When freeze data is stored, drive the vehicle under those conditions instead of Driving Pattern step  2.
    • Drive the vehicle in this manner only if the traffic regulations and ambient conditions allow.