Walker 211-1009 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor Overview

Walker Products 211-1009 is an engine coolant temperature sensor for select Honda and Acura applications. It provides the temperature signal the engine management system uses to monitor coolant conditions and support proper fuel and ignition control.

Compatible With 1985-1987 Honda Accord, 1985-1987 Honda Prelude, and 1986-1990 Acura Legend applications, this sensor is a direct-fit service part for common cooling-system and drivability repairs.

Key Features

• Engine coolant temperature sensor for cooling-system signal input
• Walker Products part number 211-1009
• Fits 1985-1987 Honda Accord, 1985-1987 Honda Prelude, and 1986-1990 Acura Legend
• Built by a manufacturer focused on engine sensors and fuel system components
• Manufactured to meet or exceed OEM standards and specifications
• Supported by Walker Products engineering, product management, and technical documentation

Detailed Description

Walker Products 211-1009 is an engine coolant temperature sensor used to report coolant temperature to the vehicle control system. Accurate temperature input is important for cold-start enrichment, warm-up strategy, and overall engine management performance. This part is a practical replacement for aging or inaccurate sensors on older Honda and Acura platforms, including the Honda Accord, Honda Prelude, and Acura Legend.

Walker Products has supplied automotive fuel system and engine sensor components since 1946 and manufactures parts for the worldwide aftermarket. The company states its products are produced to meet or exceed OEM standards and are backed by in-house engineering and technical support. This part cross-references Standard Ignition TX24 for the same application.

What It Helps Address

• Incorrect coolant temperature readings
• Hard starting during cold engine operation
• Rough idle during warm-up
• Fuel mixture issues caused by faulty temperature input
• Check engine concerns related to coolant temperature signal faults

Installation Notes and Tips

Verify connector style, thread size, and sensor location against the original part before installation. Inspect the cooling system for corrosion, damaged wiring, or coolant contamination that could affect sensor performance. Clear any stored fault codes after installation and confirm the engine reaches normal operating temperature.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer with a long history in engine sensors and fuel system components. The 211-1009 is produced to meet or exceed OEM standards and specifications for the listed Honda and Acura applications.