Walker 210-91020 Air Charge Temperature Sensor

Walker Products FSK Air Charge Temperature Sensor

Walker Products FSK 210-91020 is an air charge temperature sensor for a wide range of GM, Saturn, Isuzu, Buick, Pontiac, Chevrolet, GMC, and related 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.

Key Features

• Air charge temperature sensor for engine management systems
• Walker Products FSK line for application-specific coverage
• Manufactured to meet or exceed OEM standards and specifications
• Backed by Walker Products engineering, product management, and technical support
• ISO 9001 and IATF 16949 certified manufacturing

Product Details

Walker Products has supplied fuel system and engine management components since 1946, and the FSK 210-91020 continues that focus with a sensor built for accurate temperature input to the engine control system. This air charge temperature sensor supports proper fuel and timing calculations by reporting intake air temperature data to the ECU. It is a direct-fit replacement for many vehicles, including Chevrolet Camaro, Pontiac Grand Prix, and Saturn Vue applications, as well as numerous Buick, GMC, and Isuzu models. This part cross-references Gates 12130 and AX32 for the same application.

Common Issues This Part Can Help Resolve

• Incorrect intake air temperature readings
• Check engine light related to sensor signal faults
• Rough idle or drivability concerns tied to air charge data
• Poor fuel control caused by inaccurate temperature input
• Hard starting or hesitation linked to engine sensor failure

Installation Notes and Tips

Verify the connector style and application before installation, and compare the old sensor to the replacement part number 210-91020. Confirm the vehicle’s exact year, make, and model using the fitment data, especially on Chevrolet, GMC, Pontiac, and Saturn platforms. Clear diagnostic trouble codes after installation and recheck system operation to confirm the sensor signal is reading correctly.

Quality Assurance

Walker Products manufactures engine sensors to meet OEM-level requirements and supports production with in-house engineering and technical resources. The company’s ISO 9001 and IATF 16949 certifications reflect controlled manufacturing and quality management practices for the 210-91020 air charge temperature sensor.