P0129 Buick Barometric Pressure Out Of Range Low
Possible causes
– Faulty Manifold Absolute Pressure (MAP) sensor
– Manifold Absolute Pressure (MAP) sensor harness open or shorted
– Manifold Absolute Pressure (MAP) sensor circuit poor electrical connection
– Manifold Absolute Pressure (MAP) sensor harness open or shorted
– Manifold Absolute Pressure (MAP) sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0129 Buick Description
The Engine Control Module (ECM) has detected an out of range signal from the Manifold Absolute Pressure (MAP) sensor
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