P0492 Buick Secondary Air Injection System Insufficient Flow Bank 2
Possible causes
– Intake leak
– Damaged AIR system components
– Faulty AIR Solenoid Valve
– Faulty AIR system relay
– Damaged AIR system components
– Faulty AIR Solenoid Valve
– Faulty AIR system relay
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