P2276 Buick Oxygen (O2) Sensor Signalstuck Lean (Bank 2 – Sensor 3)

P2277 Buick Oxygen (O2) Sensor Signalstuck Rich (Bank 2 – Sensor 3)

OBD Code:
System:
Subsystem: 		 P2277 Buick – (ASE)
 Powertrain
 Fuel and Air Metering

Trouble Code Description: Oxygen (O2) Sensor Signalstuck Rich (Bank 2 – Sensor 3)


Location:
Analysis:

Possible Causes:
 Oxygen Sensor – Bank 2 – Sensor
 Stuck Rich

 

Tech description:

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