Walker 210-91002 Air Charge Temperature Sensor

Walker Air Charge Temperature Sensor 210-91002

Walker Products FSK 210-91002 is an air charge temperature sensor built for Ford, Lincoln, Mazda, and Mercury applications across a wide range of model years. It supports accurate intake air temperature input for engine management systems in vehicles such as the Ford F-150, Mustang, Taurus, and Explorer.

Key Features

• Air charge temperature sensor for engine management systems
• Walker Products FSK line for application-specific coverage
• OE-style replacement for select Ford, Lincoln, Mazda, and Mercury vehicles
• Cross-reference: SU203DG
• Part number: 210-91002

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards and specifications. The FSK product line is positioned for accurate vehicle coverage and dependable sensor replacement, making this part a practical choice for drivers and technicians servicing intake air temperature-related engine management concerns. This part number, 210-91002, is listed for broad coverage on Ford truck, car, and van platforms, along with select Lincoln, Mazda, and Mercury models.

Compatible With: Fits 1986-1995 Ford Bronco, N/A; Fits 1986-1995 Ford E-150 Econoline, N/A; Fits 1986-1995 Ford F-150, N/A; Fits 1986-1995 Ford Mustang, N/A; Fits 1991-1994 Ford Explorer, N/A; Fits 1993-1995 Mazda 626, N/A; Fits 1987-1995 Mercury Cougar, N/A.

Common Issues This Sensor Can Address

• Incorrect intake air temperature signal to the engine control system
• Rough idle or drivability concerns related to sensor input errors
• Fuel mixture issues caused by inaccurate air charge data
• Check engine light conditions tied to temperature sensor faults
• Poor cold-start or warm-up performance when sensor readings are out of range

Installation Notes and Tips

Verify the connector style, engine calibration, and vehicle application before installation. Use the vehicle fitment list to confirm the exact year and model, especially on 1995 Ford applications with California and Massachusetts exclusions noted in the fitment data. After installation, clear diagnostic trouble codes and confirm that live sensor data updates correctly.

Quality Assurance

Walker Products is an ISO 9001 and IATF 16949 certified manufacturer with in-house product management and engineering support. The company states that its engine sensor products are manufactured to meet or exceed OEM standards and specifications.