P1077 Buick Intake Manifold Runner Control Valve Stuck Short
Possible causes
– Faulty Intake Manifold Runner Control (IMRC) Valve
– IMRC Valve harness is open or shorted
– IMRC Valve circuit poor electrical connection
– IMRC Valve harness is open or shorted
– IMRC Valve 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