Audi S3 8P 2.0 TFSI MAP Pressure Sensor Intake Manifold Unit 038906051T

Audi S3 8P 2.0 TFSI MAP Pressure Sensor Intake Manifold Unit is an original component from the Air and fuel intake sensors group, responsible for precise pressure measurement in the intake manifold and the proper operation of the fuel system. Thanks to its factory origin from the Audi brand, it ensures proper cooperation with the engine control unit and stable operating parameters for the 2.0 TFSI unit.

Specifications and technical data

• SKU: 038906051T
• Mark: Audi
• Condition: Used
• OEM Part Number: 038906051T
• Substitutable numbers: 038906051T, 038 906 051 T
• Category: Air Intake & Fuel Sensors

The role of the MAP sensor in the 2.0 TFSI engine

The MAP pressure sensor in the Audi S3 8P 2.0 TFSI is responsible for measuring air pressure in the intake manifold, based on which the controller calculates the fuel dose and ignition timing. A properly functioning component from this group helps maintain:

• stable idle speed and smooth acceleration,
• appropriate air-fuel mixture values,
• efficient response to load and boost changes,
• reduced fuel consumption and correct operation of the exhaust emission system.

For the turbocharged 2.0 TFSI engine, an accurate pressure reading is crucial for the safety of the power unit and maintaining factory performance.

Application and fitment for Audi

The presented sensor has been designed as part of the engine control system in Audi vehicles, which translates into proper electrical and mechanical fitment. This means:

• compatible electrical connector and signal characteristics,
• appropriate measurement parameters for the 2.0 TFSI unit,
• possibility of installation in place of the factory sensor without modifying the wiring.

Thanks to this, the sensor can be used both for standard replacement of a worn-out component and for restoring factory engine operating parameters after modifications.

Condition, diagnostics, and operation

The offered sensor comes from the used parts segment, which allows for an economical repair of the intake and fuel system while maintaining the manufacturer's original specifications. In the case of symptoms such as rough engine operation, increased fuel consumption, or controller errors related to manifold pressure, replacing the MAP sensor is one of the basic diagnostic steps.

To better understand the relationships between the sensor's operation and the fuel system, it is worth reading the guide on diagnostics and maintenance of the fuel system: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. This will allow for an informed approach to assessing the condition of components working with the sensor.

How to consciously choose a used sensor

When choosing a used MAP sensor, it is important to pay attention to compatibility with the engine control system and the origin of the part. In practice, this means verifying manufacturer markings, reference numbers, and comparing the design with the element installed in the vehicle. Additional tips on the safe selection of used components can be found in the guide: how to professionally select used car parts while maintaining OEM compliance.

Expansion of the Audi intake and fuel system

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as additional pressure sensors, air temperature sensors, or measuring elements in the fuel system, check the available parts in the category Audi air and fuel intake sensors.