P2278 Buick Oxygen (O2) Sensor Signals Swapped (Bank 1 – Sensor 3) / (Bank 2 – Sensor 3)

P2279 Buick Intake Air System Leak

OBD Code:
System:
Subsystem:

P2279 Buick – (ASE)
Powertrain
Fuel and Air Metering

Trouble Code Description: Intake Air System Leak

Location:
Analysis:

Possible Causes:

Tech description:

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