Dorman 977-587 Fuel Injection Throttle Body

Overview of the Dorman 977-587 Fuel Injection Throttle Body

The Dorman 977-587 fuel injection throttle body is designed for precise electronic throttle control in select Ford and Mercury vehicles. Engineered with a durable aluminum housing and integrated throttle position sensor, this throttle body supports efficient fuel delivery for gas engines in the Ford Fusion and Mercury Milan.

• Electronic throttle body with integrated throttle position sensor
• Constructed from lightweight aluminum housing for durability
• Bore diameter of 2.519 inches for optimal airflow
• Female blade electrical connection with 6 terminals
• Compatible with gas fuel systems in Ford Fusion and Mercury Milan

Detailed Product Description

The Dorman 977-587 throttle body is an electronic type designed to regulate air intake precisely in gas-fueled engines. It features a 2.519-inch bore diameter that ensures proper airflow to maintain engine performance. The throttle body includes a built-in throttle position sensor, which provides accurate feedback to the engine control unit for smooth throttle response. Its aluminum housing offers strength and corrosion resistance, suitable for the operating environment under the hood. The electrical connection uses a female blade connector with six terminals, ensuring secure and reliable communication with the vehicle’s electronic systems. This part does not include fuel injectors, idle air control motor, gaskets, or installation hardware.

Compatible Vehicles and Applications

This fuel injection throttle body is specifically compatible with the following vehicles:

• Ford Fusion (gas engine models)
• Mercury Milan (gas engine models)

It is designed to replace the original electronic throttle body in these models, helping to restore proper throttle control and engine performance.

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 corrosion

Installation Notes and Tips

When installing the Dorman 977-587 throttle body, ensure the electrical connector is securely attached to the female blade terminals. Since this part does not include gaskets or installation hardware, reuse existing components or acquire replacements as needed. It is recommended to clean the throttle body mounting surface and surrounding intake area before installation to prevent air leaks. Calibration or relearning procedures may be required after installation to ensure proper throttle response.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. While specific warranty details for part number 977-587 are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.