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P2098 - Post Catalyst Fuel Trim System Too Lean Bank 2

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Heated Oxygen Sensor
  • Heated Oxygen Sensor harness is open or shorted
  • Heated Oxygen Sensor circuit poor electrical connection
  • Exhaust leaks
  • Contaminated Heated Oxygen Sensor
  • Tech notes

    Before replacing the Heated Oxygen Sensor, inspect the sensor connector for signs of damage, water ingress, or corrosion

    Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • P2098 Description

    The Powertrain Control Module (PCM) monitors the correction value from downstream Heated Oxygen Sensor(HO2S) as part of the fore-aft oxygen sensor control routine. The test fails when correction value is greater than a calibrated limit.
    OBDII Code P2098 - Post Catalyst Fuel Trim System Too Lean Bank 2 - Autoodes.com

    P2098 Information for specific makes

  • P2098 AUDI Post Catalyst Fuel Trim System Too Lean Bank 2
  • P2098 BMW Oxygen Sensor Before Catalytic Converter 2 Trim Control
  • P2098 CHRYSLER Downstream Fuel Trim System 2 Lean
  • P2098 DODGE Downstream Fuel Trim System 2 Lean
  • P2098 FORD Post Catalyst Fuel Trim System Too Lean Bank 2
  • P2098 HYUNDAI Post Catalyst Fuel Trim System Too Lean Bank 2
  • P2098 JEEP Downstream Fuel Trim System 2 Lean
  • P2098 KIA Post Catalyst Fuel Trim System Too Lean Bank 2
  • P2098 LINCOLN Post Catalyst Fuel Trim System Too Lean Bank 2
  • P2098 MAZDA Target AF Feedback System Too Lean Left Bank
  • P2098 MERCURY Post Catalyst Fuel Trim System Too Lean Bank 2
  • P2098 MINI Oxygen Sensor Before Catalytic Converter 2 Trim Control
  • P2098 MITSUBISHI Downstream Fuel Trim System 2 Lean
  • P2098 SUBARU Post Catalyst Fuel Trim System Too Lean Bank 2
  • P2098 SUZUKI Post Catalyst Fuel Trim System Low Limit Bank 2
  • P2098 VOLKSWAGEN Post Catalyst Fuel Trim System Too Lean Bank 2
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    P2098 Comments

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    Repair Importance Level: 3
     
    1=Low 2=Medium 3=High  
    Repair Difficulty Level: 3
     
    1=Easy 2=Moderate 3=Hard  

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