Symptoms

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

Possible Causes

- Intake manifold runner control mechanical problems - Intake manifold runner control actuator malfunction - Intake manifold runner control open or short circuit - Intake manifold runner control poor electrical condition

Description

The Engine Control Module (ECM) detects that the position feedback of the manifold flow valve position sensor is not within range of adapted value learned during inplant initialization or after volatile memory reset