รหัสปัญหา โค้ดข้อบกพร่อง Land Rover (Land Rover Trouble Codes) *Codes* are used to identify the 4 Oxygen Sensors. A = Bank A of the engine. Cylinder #1 is located on Engine Bank A.B = Bank B of the engine.U = Upstream of the Catalytic Converter.D = Downstream of the Catalytic Converter. Example: A D = Oxygen Sensor Engine Bank A…