P013A Code – Oxygen Sensor Slow Response Rich to Lean Bank 1 Sensor 2

Code P013A Possible Causes
Heated Oxygen Bank 1 Sensor 2 circuit poor electrical connection
Heated Oxygen Bank 1 Sensor 2 harness is open or shorted
Low or high fuel system pressure
Engine vacuum leaks
Exhaust gas leaks
Faulty fuel injectors
Faulty Heated Oxygen Bank 1 Sensor 2
Fuel contamination

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