P1455 Chevrolet Exhaust Gas Temperature Sensor 1 Range/Performance

P1455 Chevrolet Exhaust Gas Temperature Sensor 1 Range/Performance

Possible causes
– Faulty Exhaust Gas Temperature Sensor
– 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)