Standard Ignition FPS21 Fuel Pressure Sensor

Fuel Pressure Sensor for Ford and Lincoln

The Standard Ignition FPS21 fuel pressure sensor is a direct-fit OE replacement for fuel rail applications with a sensor. It is built with high-quality materials for demanding underhood conditions and is tested for reliable operation. This part is a practical choice for Ford F-150, Ford Expedition, Ford F-250 Super Duty, Ford F-350 Super Duty, and Lincoln Navigator fuel system service.

Key Features

• Direct-fit OE replacement for easier installation
• Female connector with plug-in connection
• 4-terminal design with male blade terminals
• For gas fuel systems
• Built from materials selected to withstand extreme operating conditions
• Extensively tested for reliability

Detailed Description

Standard Ignition FPS21 is a fuel pressure sensor for fuel rail applications with a sensor on select Ford and Lincoln trucks and SUVs. It supports accurate fuel pressure monitoring in systems that rely on a 4-terminal, plug-in electrical connection. If you are replacing a worn or faulty FPS21 sensor on a 2005-2008 Ford F-150 or a 2005-2006 Lincoln Navigator, this OE-style replacement matches the original application requirements.

This part cross-references Standard Motor Products (e.g., 5S9021) for the same application.

What It Helps Address

• Fuel pressure warning lights or sensor-related fault codes
• Hard starting caused by incorrect fuel pressure signal input
• Rough idle or drivability issues tied to fuel rail pressure monitoring
• Intermittent sensor readings from a failing fuel pressure sensor
• Service replacement for damaged connector or terminal interfaces

Installation Notes and Tips

• Compatible With 2005-2008 Ford Expedition, fuel rail, with sensor.
• Compatible With 2005-2008 Ford F-150, fuel rail, with sensor.
• Compatible With 2005-2008 Ford F-250 Super Duty, fuel rail, with sensor.
• Compatible With 2005-2008 Ford F-350 Super Duty, fuel rail, with sensor.
• Compatible With 2005-2006 Lincoln Navigator, fuel rail, with sensor.
• Verify connector style, terminal count, and fuel rail sensor location before installation.

Quality Assurance

Standard Ignition manufactures this sensor with complete quality control throughout the production process. Each FPS21 fuel pressure sensor undergoes extensive testing to support dependable performance in automotive service.