P3138 OBD Code Definition:
Intake Manifold Runner Control Error Regulation Deviation
P3138 OBD Code Description:

Possible Causes

• Intake Manifold Runner Control Basic Setting not performed
• Wiring from/to Intake Manifold Runner Control faulty
• Intake Manifold Runner Control faulty

Possible Solutions

• Perform Intake Manifold Runner Control Basic Setting
• Check/Repair Wiring from/to Intake Manifold Runner Control
• Check/Replace Intake Manifold Runner Control