P1177

P1177 OBD Code Definition:
P1177 O2 Sensor Slow Response Bank 2
P1177 OBD Code Description:

Possible Causes

  • Intake Air System leaking
  • Oxygen Sensor(s) and/or Oxygen Sensor Control faulty

Possible Solutions

  • Check Intake Air System for Leaks (False Air)
  • Check Oxygen Sensor(s) and/or Oxygen Sensor Control (all of them!)

 

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