General Information

Engine Control
P2004 Intake Manifold Runner Control Stuck Open (Bank 1) - General Information

Component Location





General Description

Variable Charge Motion Actuator(VCMA) is used for an adjustment of automotive flap and it is operated with two position, open and close. It makes swirl among intake air to reduce emission under cold start condition. This is worm gear driver type which doesn't guarantee restoring to limp home position in the case of loss of current supply. (This doesn't have mechanical return force due to no return spring.)

DTC Description

If PCM detects the flap of VCMA is stuck in closed stop position, It sets P2004.

DTC Detecting Condition





Diagnostic Circuit Diagram