Walker 211-2005 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for Ford and Mercury

Walker Products 211-2005 is an engine coolant temperature sensor built for direct replacement service on select Ford and Mercury applications. It is used to report coolant temperature to the engine management system, helping the vehicle control fuel delivery, idle strategy, and temperature-related operation.

Compatible With 1999-2004 Ford Focus, Escort, and Contour applications, plus 1999-2000 Mercury Mystique and Contour models listed below.

Key Features

• Engine coolant temperature sensor for engine management service
• Walker Products part number 211-2005
• OE-style replacement for select Ford and Mercury vehicles
• Built by a manufacturer focused on OEM-level specifications and technical support
• Cross-references Delphi TS10149 and Standard Ignition TX90 for the same application

Detailed Description

Walker Products 211-2005 is part of Walker Products’ engine sensor line, supported by the company’s long history in fuel system and engine management components. Walker Products manufactures to meet or exceed OEM standards and maintains engineering, product management, and technical support resources to help ensure accurate part application and consistent quality. For buyers searching for a coolant temp sensor for a 2004 Ford Focus or a replacement engine coolant temperature sensor for 2000-2003 Ford Escort, this part number is a direct-fit option for the listed vehicles.

This sensor is used by the powertrain control system to monitor coolant temperature and provide the data needed for proper engine operation. Walker Products 211-2005 is also listed for 2000 Ford Contour, 2000 Mercury Mystique, and 1999 Ford Contour and Mercury Mystique built from May 3, 1999 onward.

Common Issues This Part May Resolve

• Incorrect coolant temperature readings
• Hard starting when the engine is cold
• Rough idle related to temperature input errors
• Illuminated check engine light tied to coolant sensor faults
• Fuel mixture or drivability concerns caused by inaccurate temperature data

Installation Notes and Tips

Verify the vehicle build date and engine sensor location before installation, especially on 1999 Ford Contour and 1999 Mercury Mystique models that require production from May 3, 1999 onward. Confirm connector style and thread engagement against the removed sensor, and clear diagnostic trouble codes after replacement if the vehicle stored a coolant temperature fault.

Quality Assurance

Walker Products is an ISO 9001/IATF 16949 certified manufacturer with a focus on OEM-level specifications, application accuracy, and technical support for aftermarket engine sensors. That manufacturing background supports dependable service for the Walker Products 211-2005 coolant temperature sensor.