P0546 Mercury Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 1
Possible causes
– Faulty Exhaust Gas Temperature Sensor
– Exhaust Gas Temperature Sensor harness is open or shorted
– Exhaust Gas Temperature Sensor circuit poor electrical connection
– Exhaust Gas Temperature Sensor harness is open or shorted
– Exhaust Gas Temperature Sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Mercury Vehicle:Mercury Grand Marquis,Mercury Mariner,Mercury Milan,Mercury Mountaineer,Mercury Sable,