P2A01 LINCOLN – Oxygen Sensor Circuit Range/Performance Bank 1 Sensor 2

P2A01 LINCOLN Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light),High Fuel Consumption,Excessive Smoke from Exhaust

P2A01 LINCOLN Possible Causes

Faulty Rear Heated Oxygen Sensor Bank 1,Rear Heated Oxygen Sensor Bank 1 harness is open or shorted,Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection

P2A01 LINCOLN Description

The Powertrain Control Module (PCM) monitors the Heated Oxygen Sensor (HO2S) for an out of range low voltage concern. The P2A01 code sets if the HO2S voltage is out of range low for a calibrated period of time.