P2258 Buick Secondary Air Injection System Control A Circuit High
Possible causes
– Air Injection Pump Relay harness is open or shorted
– Air Injection Pump Relay circuit poor electrical connection
– Faulty Air Injection Pump Relay
– Air Injection Pump Relay circuit poor electrical connection
– Faulty Air Injection Pump 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