SKP SKTX91 Engine Cylinder Head Temperature Sensor

Engine Cylinder Head Temperature Sensor for Ford Applications

The SKP SKTX91 is an engine cylinder head temperature sensor for a wide range of Ford, Lincoln, and Mercury vehicles. It is used in emission control and engine management systems to monitor cylinder head temperature and support accurate temperature-based control strategies.

Key Features

• Engine cylinder head temperature sensor for emission control and engine monitoring
• Direct-fit replacement for select Ford, Lincoln, and Mercury applications
• Cross-references Standard Ignition TX91
• Cross-references OE-style part numbers F65Z6G004AB and F65Z9G004AB
• Compatible with applications such as Ford F-150, Mustang, and E-350 Super Duty

Detailed Description

Built for select 1997-2015 Ford, Lincoln, and Mercury vehicles, the SKP SKTX91 supports cylinder head temperature sensing in engines that rely on precise thermal input for control and diagnostics. This part number is commonly used across Ford F-150, Mustang, Crown Victoria, Town Car, Grand Marquis, and related truck and van platforms. If you are replacing a worn or failed sensor on a Ford F-150, Mustang, or E-350 Super Duty, SKTX91 provides the correct application match for the listed vehicles.

This part cross-references Standard Ignition TX91 for the same application.

What It Helps Address

• Temperature-related warning lights or diagnostic trouble codes
• Incorrect cylinder head temperature readings
• Engine management issues tied to sensor signal loss
• Emission control faults related to thermal monitoring
• Hard-to-diagnose drivability concerns caused by a failed sensor

Installation Notes and Tips

Verify the connector style and application notes before installation, especially on 2004 Expedition, 2004 F-150 Heritage, and 1999-2003 Town Car listings with specific terminal or sensor details. Confirm the vehicle year, make, model, and engine configuration against the fitment data before ordering. Use the listed fitment exactly for body style and model-year matching.

Quality Assurance

SKP replacement parts are cataloged for direct application matching across the listed Ford, Lincoln, and Mercury vehicles. Always confirm the OE reference and fitment notes against your original sensor before installation.