[amidgeha]

nox Adsorber Efficiency Below Threshold

NA

Cause:
Faulty Sensor or Solenoid
Sensor or Solenoid harness is open or shorted
Sensor or Solenoid circuit poor electrical connection
Powertrain Control Module (PCM) / Engine Control Module (ECM) Software Update
Faulty Powertrain Control Module (PCM) / Engine Control Module (ECM)
Damage Catalytic Converter
Catalytic converter improper operation

Symptoms:
Check engine light