P0544 Buick Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 1
Possible causes
– Faulty Turbocharger Intake Temperature Sensor
– Turbocharger Intake Temperature Sensor harness is open or shorted
– Turbocharger Intake Temperature Sensor circuit poor electrical connection
– Turbocharger Intake Temperature Sensor harness is open or shorted
– Turbocharger Intake Temperature Sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera