P2256 Buick Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1)

P2257 Buick Secondary Air Injection System Control A Circuit Low OBD Code: System: Subsystem:  P2257 Buick – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Secondary Air Injection System Control A Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera…

P2256 BMW Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1)

P2256 BMW Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1) OBD Code: System: Subsystem:  P2256 BMW – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 2 – Sensor 1…

P2256 Audi Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1)

P2256 Audi Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1) OBD Code: System: Subsystem:  P2256 Audi – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 2 – Sensor 1…

P2256 Acura Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1)

P2256 Acura Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1) OBD Code: System: Subsystem:  P2256 Acura – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 2 – Sensor 1…