Walker 210-91023 Air Charge Temperature Sensor

Air Charge Temperature Sensor for Volkswagen

Walker Products FSK 210-91023 is an air charge temperature sensor for select Volkswagen applications. It is built for direct engine management service on 1993-1994 Volkswagen Golf and Jetta, plus 1995-2003 Volkswagen Derby, with fitment coverage across the listed model years.

Key Features

• Air charge temperature sensor for engine management service
• Walker Products FSK line component
• Fits 1993-1994 Volkswagen Golf
• Fits 1993-1994 Volkswagen Jetta
• Fits 1995-2003 Volkswagen Derby
• Part number 210-91023 for application lookup and ordering

Product Details

The Walker Products FSK line focuses on engine sensors and fuel system components built to meet or exceed OEM standards and specifications. Part number 210-91023 is an air charge temperature sensor used by the engine control system to monitor incoming air temperature data, helping the vehicle manage fuel delivery and drivability. For Volkswagen Golf, Volkswagen Jetta, and Volkswagen Derby applications, this sensor supports accurate engine management service where the original unit has failed or is reading incorrectly.

Walker Products has supplied automotive fuel system and engine sensor components since 1946 and backs its product development with manufacturing, engineering, and technical support resources. The 210-91023 sensor is part of that engine sensor lineup and is listed for the specific Volkswagen fitments shown below.

What It Helps Address

• Incorrect intake air temperature readings
• Rough idle related to sensor signal errors
• Fuel mixture issues caused by inaccurate air temperature input
• Check engine light conditions tied to air charge temperature sensor faults
• Driveability concerns on Volkswagen Golf, Jetta, or Derby applications

Installation Notes and Tips

Verify the connector style, sensor location, and engine application against the original part before installation. Confirm the vehicle is one of the listed fitments: 1993-1994 Volkswagen Golf, 1993-1994 Volkswagen Jetta, or 1995-2003 Volkswagen Derby. Clear diagnostic trouble codes after installation and recheck live data to confirm the new sensor is reporting correctly. Part number 210-91023 should be matched to the vehicle by year and model, not by appearance alone.

Quality Assurance

Walker Products states that its engine sensors and fuel system components are manufactured to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with product management and engineering support behind its aftermarket parts.