Dorman 911-394 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 911-394

The Dorman 911-394 vapor canister purge valve is designed for select Toyota models including Corolla, Matrix, and Prius Prime. This essential emission control component helps regulate fuel vapor flow, contributing to your vehicle's evaporative system efficiency.

• Connector hose inside diameter: 0.449 inches
• Elliptical connector shape for secure fitment
• Durable plastic housing material
• Two male terminals for reliable electrical connection
• Inlet inside diameter of 0.22 inches
• Compact length of 2.65 inches for easy installation
• Two ports with 0.33 inch outside diameter each
• Includes one purge valve per package

Detailed Product Description

The Dorman 911-394 vapor canister purge valve is engineered to meet the specifications required by Toyota Corolla, Matrix, and Prius Prime models. Constructed with a plastic housing, this valve features an elliptical connector shape and two male terminals, ensuring a secure and stable electrical connection. The valve’s compact size, measuring 2.65 inches in length, allows for straightforward installation in the vehicle’s evaporative emission system. With two ports each having an outside diameter of 0.33 inches and an inlet inside diameter of 0.22 inches, this purge valve effectively controls the flow of fuel vapors from the charcoal canister to the engine intake manifold.

Common Applications and Issues Addressed

• Helps prevent fuel vapor leaks in Toyota Corolla, Matrix, and Prius Prime evaporative systems
• Reduces check engine light triggers related to EVAP system faults
• Improves fuel efficiency by ensuring proper vapor purge operation
• Mitigates rough idling or engine hesitation caused by faulty purge valves
• Supports emission compliance by maintaining vapor control integrity

Installation Notes and Tips

Installation of the Dorman 911-394 purge valve requires no additional mounting hardware as none is included. Ensure the elliptical connector aligns properly with the vehicle’s harness for a secure fit. Verify the two male terminals are correctly connected to avoid electrical issues. Due to its compact 2.65-inch length, the valve fits easily into the designated location within the evaporative system. It is recommended to inspect surrounding hoses and connectors for wear during installation to maintain overall system integrity.

Quality Assurance and Warranty

Dorman manufactures the 911-394 vapor canister purge valve to meet or exceed OEM standards for fit, form, and function. The plastic housing and terminal design provide durability under typical operating conditions. While specific warranty details may vary, Dorman products generally include a limited warranty against defects in material and workmanship. Always consult product documentation or the supplier for exact warranty terms.