Walker 210-1051 Air Charge Temperature Sensor

Walker Air Charge Temperature Sensor 210-1051

Walker Products 210-1051 is an air charge temperature sensor for select Audi, Volkswagen, and Porsche applications. It provides the engine management system with intake air temperature data needed for accurate fuel and ignition control, helping maintain proper drivability on covered vehicles.

Key Features

• Air charge temperature sensor for engine management systems
• Walker Products replacement part number 210-1051
• Built to meet or exceed OEM standards and specifications
• Supported by Walker engineering, product management, and technical resources
• Compatible with select Audi A4, A4 Quattro, A6, A6 Quattro, S4, TT, TT Quattro, Allroad Quattro, Volkswagen Beetle, Golf, Jetta, Passat, and Porsche 911 applications

Detailed Description

Walker Products has supplied fuel system and engine sensor components since 1946 and manufactures this sensor as part of its engine management line. The 210-1051 is intended for vehicles that rely on accurate intake air temperature input for proper engine control. This part cross-references Standard Ignition AX127 for the same application.

Fits 1997-2001 Audi A4, N/A. Fits 1997-2001 Audi A4 Quattro, N/A. Fits 1998-2001 Audi A6, N/A. Fits 1998-2002 Audi A6 Quattro, N/A. Fits 2000-2002 Audi S4, N/A. Fits 2000-2006 Audi TT, N/A. Fits 2000-2006 Audi TT Quattro, N/A. Fits 2001-2005 Audi Allroad Quattro, N/A. Fits 2000-2005 Volkswagen Passat, N/A. Fits 2000-2006 Volkswagen Golf, N/A. Fits 2000-2002 Volkswagen Jetta, N/A. Fits 1999-2002 Volkswagen Beetle, N/A. Fits 1996-1997 Porsche 911, N/A.

Common Issues This Sensor Can Address

• Incorrect intake air temperature readings in the engine control system
• Rough idle or inconsistent throttle response caused by faulty sensor input
• Fuel mixture control problems related to inaccurate air temperature data
• Check engine light conditions tied to sensor circuit faults
• Driveability concerns on Audi A4, Volkswagen Passat, and related applications

Installation Notes and Tips

Verify the vehicle application by year, make, and model before ordering, especially on 2003 Audi and Volkswagen vehicles with chassis/VIN break notes. Confirm the connector style and sensor location against the original part before installation. Use the vehicle service information for proper diagnostic testing and replacement procedures.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company supports production with in-house engineering, product management, and technical documentation, and operates as an ISO 9001/IATF16949 certified manufacturer.