Turbocharger Boost Control Position Sensor "B" Circuit

The second boost control position sensor is malfunctioning and the engine cannot read the boost pressure control feedback accurately. Without this sensor input, the engine loses the ability to fine-tune turbocharger boost pressure regulation. The driver may notice erratic turbo behavior, reduced power, or overboosting that could damage the engine.

No detailed repair guide linked yet. Check back soon or search for related issues.