Dorman 977-068 Fuel Injection Throttle Body

Overview of the Dorman 977-068 Electronic Throttle Body

The Dorman 977-068 electronic throttle body is designed to provide precise throttle control for select Lexus and Toyota vehicles. Engineered with durable aluminum housing and integrated throttle position sensor, this component supports efficient fuel injection and engine performance.

• Compatible with Lexus and Toyota models including Corolla, CT200h, Prius, Prius AWD-e, Prius Plug-In, Prius Prime, and Prius V
• Electronic throttle body with integrated throttle position sensor
• Constructed from natural finish aluminum for durability and heat resistance
• Flanged inlet and outlet with diameters of 2.38 inches and 2.19 inches respectively
• Single inlet and outlet design optimized for gas fuel injection systems
• Blade-type female electrical connector with 6 terminals for reliable connection
• Non-adjustable throttle body designed for direct replacement

Detailed Product Description

The Dorman 977-068 throttle body is a direct-fit electronic throttle body designed specifically for gas fuel injection systems in various Lexus and Toyota models. Its aluminum housing ensures long-lasting performance under engine heat and vibration. The throttle body features a natural finish and includes an integrated throttle position sensor, which is essential for accurate throttle response and engine management. The flanged inlet and outlet ports, measuring 2.38 inches and 2.19 inches respectively, provide a secure and precise fit within the fuel injection system. This throttle body does not include mounting hardware, gaskets, or fuel injectors, so these components must be sourced separately if needed.

Common Applications and Problem Resolution

• Restores proper throttle response and engine acceleration in Lexus and Toyota Corolla, CT200h, and Prius models
• Resolves issues related to erratic idle or stalling caused by faulty throttle position sensors
• Addresses check engine light codes related to throttle body malfunction
• Improves fuel efficiency by ensuring accurate air and fuel delivery
• Eliminates hesitation or surging during acceleration due to throttle body wear or failure

Installation Notes and Tips

• Ensure the vehicle is compatible with this part number 977-068 before installation
• Verify that the throttle body is clean and free of debris prior to installation
• Use appropriate torque specifications for mounting bolts (mounting hardware not included)
• Check electrical connections for secure fitment of the 6-terminal blade-type female connector
• It is recommended to inspect and replace gaskets or seals separately to prevent air leaks

Quality Assurance and Warranty

Dorman manufactures the 977-068 throttle body to meet or exceed OEM specifications for fit, form, and function. The aluminum construction and integrated throttle position sensor are tested for durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts to ensure customer confidence and product reliability.