Standard Ignition FJ438 Fuel Injector

Overview of Standard Ignition Fuel Injector FJ438

The Standard Ignition FJ438 fuel injector is designed for reliable fuel delivery in select Ford, Mazda, and Mercury vehicles. This new, black MFI injector supports gas fuel systems and features top feed design for efficient engine performance.

• Fuel Injector Type: MFI injector
• Fuel Type: Gasoline
• Color: Black
• System Type: Top feed
• Terminal Type: 2-blade male terminals
• O-Rings Included for proper sealing
• Hardware not included
• New, not remanufactured

Detailed Product Description

The Standard Ignition FJ438 fuel injector is engineered to meet the specifications required by Ford, Mazda, and Mercury vehicles such as the B4000, Explorer, Explorer Sport, Explorer Sport Trac, Mountaineer, and Ranger. This MFI (multi-port fuel injection) injector is designed for gasoline engines and features a top feed system type, which ensures precise fuel atomization and delivery. The injector comes in black and includes O-rings to ensure a secure and leak-free installation. It has two male blade terminals for electrical connection, providing compatibility with the vehicle’s wiring harness. This part is new and does not include additional mounting hardware.

Compatible Vehicles and Applications

This fuel injector is compatible with the following makes and models:

• Ford B4000
• Ford Explorer, Explorer Sport, Explorer Sport Trac
• Mazda Mountaineer
• Mercury Mountaineer
• Ford Ranger

Common Issues Addressed by Fuel Injector FJ438

• Engine misfires due to clogged or faulty injectors
• Poor fuel economy caused by inconsistent fuel delivery
• Rough idling or hesitation during acceleration
• Check engine light triggered by injector-related faults
• Fuel leaks from worn or damaged injector seals

Installation Notes and Tips

When installing the Standard Ignition FJ438 fuel injector, ensure the O-rings are properly lubricated to prevent damage during insertion. Verify the electrical connections match the two male blade terminals for secure contact. Since hardware is not included, retain or replace mounting components as needed. It is recommended to inspect the fuel rail and injector ports for cleanliness before installation to ensure optimal performance.

Quality Assurance and Warranty

Standard Ignition provides this fuel injector as a new replacement part manufactured to meet OEM standards. The inclusion of O-rings helps maintain a proper seal and prevent fuel leaks. While specific warranty details may vary, Standard Ignition parts typically come with a limited warranty covering defects in materials and workmanship to ensure reliability and durability in your Ford, Mazda, or Mercury vehicle.