Walker 210-91001 Air Charge Temperature Sensor

Walker Air Charge Temperature Sensor 210-91001

Walker Products Air Charge Temperature Sensor 210-91001 is an engine sensor replacement for a wide range of GM, Cadillac, Buick, Pontiac, and select Honda and Isuzu applications. It is built to meet or exceed OEM standards and specifications, with engineering and technical support backed by Walker Products’ long-running fuel system and engine sensor experience.

Key Features

• Air charge temperature sensor for engine management systems
• Walker Products FSK line component
• Built to OEM standards and specifications
• Supported by Walker Products manufacturing and engineering resources
• Fits a broad range of 1988-2009 vehicle applications

Product Details

The Walker Products FSK 210-91001 is an air charge temperature sensor used to report intake air temperature data to the engine control system. Accurate temperature input helps the ECU manage fuel delivery and ignition strategy across changing operating conditions. This part is listed for applications including Chevrolet Corvette, Chevrolet Camaro, Chevrolet S10, GMC Yukon, Cadillac DeVille, and other fitments across GM platforms, plus select Honda Passport and Isuzu Rodeo models. This part cross-references SU107DG for the same application.

Common Replacement Reasons

• Check engine light related to intake air temperature sensor performance
• Rough idle or inconsistent drivability after sensor failure
• Incorrect air temperature signal affecting fuel control
• Hard starting or poor cold-weather operation tied to sensor input
• Diagnostic trouble codes related to engine sensor readings

Installation Notes

Verify the connector style, mounting location, and vehicle application before installation. Compare the original sensor to Walker Products 210-91001 and confirm fitment by year, make, and model. Clear any stored fault codes after replacement and recheck live data to confirm the new sensor is reporting correctly.

Quality Assurance

Walker Products has supplied automotive fuel system and engine sensor components since 1946 and operates as an ISO 9001/IATF16949 certified manufacturer. The brand states its products are engineered to meet or exceed OEM requirements and supported by in-house product management, engineering, and technical documentation.