P041F Code – Secondary Air Injection System Switching Valve A Circuit Low

Code P041F Possible Causes
Air bypass solenoid circuit poor electrical connection
Air bypass solenoid harness is open or shorted
Faulty Air Pump inoperative
Faulty Air Fuel Ratio A/F Sensor Bank 1 Sensor 1 or Front Sensor or Upstream Sensor
Faulty Fuel Injectors

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