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P2098 - Post Catalyst Fuel Trim System Too Lean (Bank 2)

P2098 - POST CATALYST FUEL TRIM SYSTEM TOO LEAN (BANK 2)

Description:  The PCM monitors the correction value from the heated oxygen sensor bank 2, sensor 2 (HO2S22) as part of the fore-aft oxygen sensor control routine. This DTC sets when the correction value is greater than a calibrated limit.
Possible Causes: 
  • Corrosion
  • Incorrect connections
  • Exhaust leaks
  • Contaminated universal HO2S21
Diagnostic Aids:  Inspect the connectors for signs of damage, water intrusion or corrosion.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test DZ .
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