P0153 Code – O2 Sensor Circuit Slow Response Bank 2 Sensor 1

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Code P0153 Possible Causes
Heated Oxygen Sensor Bank 2 Sensor 1 circuit poor electrical connection
Heated Oxygen Sensor Bank 2 Sensor 1 harness is open or shorted
Low or high fuel system pressure
Exhaust gas leaks
Faulty Front Heated Oxygen Sensor Bank 2
Faulty fuel injectors
Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection

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