Boost Pressure Sensor. Porsche 991  ❭  03G906051D

Boost Pressure Sensor. 
Maintain optimum engine performance and precise turbocharger control with this Genuine Porsche Boost Pressure Sensor, a direct replacement for 03G906051D. Manufactured to Porsche's exact factory specifications, this sensor delivers the accuracy, reliability, and durability required for the engine management system to regulate turbocharger boost pressure and optimise engine efficiency. Designed to provide real-time intake pressure data to the engine control unit (ECU), it helps ensure smooth power delivery, efficient fuel combustion, and low exhaust emissions.

Fits:

• Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
• Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
• Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
• Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16

I011 - Special Models GTS (991/981)
IX51 - For Cars With Powerkit 250kW

Diagram Ref No 23

The boost pressure sensor continuously monitors the pressure within the intake manifold or charge air system, enabling the ECU to adjust turbocharger boost, fuel injection, and air-fuel mixture according to engine load and driving conditions. Manufactured using high-quality electronic components within a durable, heat-resistant housing, it is engineered to withstand the demanding temperatures, vibration, and environmental conditions of the engine bay. This genuine Porsche replacement sensor is ideal for routine maintenance, engine diagnostics, and repairs.   

What This Product Does:

• Monitors intake manifold and turbocharger boost pressure.
• Sends accurate pressure readings to the engine control unit.
• Supports precise turbocharger boost regulation.
• Optimises fuel injection and combustion efficiency.
• Improves engine performance, fuel economy, and emissions.
• Replaces faulty or inaccurate boost pressure sensors.
• Provides a genuine Porsche fit for straightforward installation.

Symptoms Of Wear Or Failure:

• Engine management warning light illuminated.
• Reduced engine performance or acceleration.
• Turbocharger underboost or overboost conditions.
• Poor throttle response.
• Increased fuel consumption.
• Vehicle entering limp-home mode.
• Diagnostic fault codes relating to boost pressure or intake pressure.
• Irregular turbocharger operation.

Why Replacement Matters:

• The boost pressure sensor is a critical component of the engine management system, providing the ECU with the accurate intake pressure information required to control turbocharger boost and optimise engine operation. A faulty sensor can result in incorrect boost regulation, reduced engine performance, increased fuel consumption, higher exhaust emissions, and the vehicle entering reduced-power or limp-home mode. Continued operation with an inaccurate sensor may also place unnecessary strain on the turbocharger and related engine components.
• Replacing a worn or faulty sensor with this Genuine Porsche Boost Pressure Sensor restores accurate boost pressure monitoring, improves turbocharger performance, enhances fuel efficiency, and supports reliable long-term engine operation. Manufactured to Porsche's exacting standards, it delivers exceptional fit, durability, precision, and reliability for Porsche maintenance, repairs, and engine management servicing.

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03G906051D

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