P1018 Intake Manifold Runner Bank 2 Lower Limit Not Reached

Possible causes

– Faulty Intake Manifold Runner Motor 2
– Manifold Runner Motor 2 harness is open or shorted
– Manifold Runner Motor 2 circuit poor electrical connection
– Faulty Intake Manifold Flap 2

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)