Walker 225-1388 Manifold Absolute Pressure Sensor

Walker 225-1388 Manifold Absolute Pressure Sensor

Walker Products 225-1388 is a manifold absolute pressure sensor for engine management diagnostics and replacement on select Audi applications. It is built to meet or exceed OEM standards and specifications, with engineering and technical support behind the part for accurate vehicle application coverage.

Compatible with 2011-2014 Audi TT Quattro, this MAP sensor supports precise intake manifold pressure input for the engine control system. Walker Products 225-1388 is a direct-fit replacement choice for drivers and technicians servicing Audi TT Quattro models that require a manifold absolute pressure sensor.

Key Features

• Manifold Absolute Pressure Sensor for engine management systems
• Walker Products engine sensor line backed by in-house manufacturing and engineering support
• Built to meet or exceed OEM standards and specifications
• Application coverage for 2011-2014 Audi TT Quattro
• Cross-reference part numbers include Bosch 0261230278 and Standard Ignition AS531

Product Details

Walker Products has supplied fuel system and engine management components since 1946 and serves the automotive aftermarket with sensors, repair kits, injectors, ignition components, and related parts. The Walker Products line focuses on accurate vehicle applications and technical support, which is important when replacing a manifold absolute pressure sensor on a turbocharged or naturally aspirated engine management system. This part number, 225-1388, is listed for Audi TT Quattro model years 2011 through 2014.

This part cross-references Bosch 0261230278 and Standard Ignition AS531 for the same application.

Common Issues This Part Can Address

• Erratic engine load or pressure signal readings
• Check engine light related to MAP sensor performance
• Rough idle caused by incorrect manifold pressure input
• Fuel trim or drivability concerns tied to sensor output
• Hard starting or hesitation linked to engine management data errors

Installation Notes and Tips

Verify the connector style, mounting location, and OE part number before installation. Clear diagnostic trouble codes after replacement and confirm the repair with a scan tool and road test. For Audi TT Quattro applications, compare the original sensor to Walker Products 225-1388 to confirm fitment before service.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications and supports product accuracy with its own manufacturing, product management, and engineering staff. The company is ISO 9001/IATF16949 certified.