Dorman 977-593 Fuel Injection Throttle Body

Overview of the Dorman 977-593 Fuel Injection Throttle Body

The Dorman 977-593 fuel injection throttle body is designed for reliable performance in Ford and Lincoln vehicles. This electronic throttle body is engineered to meet the specific requirements of models like the Ford F-150, Expedition, and Lincoln Navigator, ensuring precise throttle control and efficient fuel delivery.

• Electronic throttle body with integrated throttle position sensor
• Constructed from durable aluminum housing with a silver finish
• Compatible with gas fuel systems
• Blade-type female electrical connector with 6 terminals
• Bore diameter of 2.122 inches for accurate airflow regulation

Detailed Product Description

The Dorman 977-593 throttle body features an electronic design that includes a built-in throttle position sensor, allowing for accurate monitoring of throttle plate position. Its aluminum housing provides strength and corrosion resistance, finished in silver to match OEM specifications. The throttle body is designed for gas fuel systems and includes a female blade electrical connector with six terminals, ensuring secure and reliable electrical connections. With a bore diameter of 2.122 inches, it supports optimal airflow for engine performance. This throttle body does not include fuel injectors, idle air control motor, gaskets, or installation hardware, so these components must be sourced separately if needed.

Compatible Vehicles and Applications

This fuel injection throttle body is compatible with a range of Ford and Lincoln models, including:

• Ford F-150
• Ford Expedition
• Lincoln Navigator
• Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD

It is designed to replace the original electronic throttle body in these vehicles, maintaining factory performance and drivability.

Common Issues Addressed by This Throttle Body

• Erratic or unresponsive throttle response
• Check engine light related to throttle position sensor faults
• Reduced engine power or stalling at idle
• Poor fuel efficiency due to improper air-fuel mixture
• Throttle body mechanical wear or electronic failure

Installation Notes and Tips

• Ensure the throttle body is compatible with your specific vehicle make, model, and engine type before installation
• Clean the throttle body mounting surface and intake manifold to prevent air leaks
• Replace any gaskets or seals as needed (not included)
• Handle the electronic connector carefully to avoid damage to terminals
• After installation, perform a throttle body relearn procedure if required by the vehicle’s ECU

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 977-593 throttle body undergoes rigorous quality control to ensure durability and reliable operation. Please refer to Dorman’s official warranty policy for specific coverage details.