Dorman 994-033 Vapor Canister Purge Valve

Overview of Dorman Vapor Canister Purge Valve 994-033

The Dorman Vapor Canister Purge Valve 994-033 is designed specifically for Toyota Echo models, ensuring precise fitment and reliable operation. This essential emission control component helps maintain your vehicle's evaporative system efficiency.

• Connector hose inside diameter: 8 mm
• Blade terminal type with 2 male terminals
• Single female rectangular connector
• Plastic housing for durability and corrosion resistance
• Two ports with 8.5 mm outside diameter each
• Inlet inside diameter: 5 mm
• Compact length of 58 mm for easy integration
• Includes one purge valve per package

Detailed Product Description

The Dorman 994-033 vapor canister purge valve is engineered to meet the specifications required for the Toyota Echo's evaporative emission control system. Featuring a plastic housing, this valve offers resistance to corrosion and heat, contributing to long-term durability. The valve includes a single female rectangular connector with two male blade terminals, designed for secure electrical connections. Its two ports, each with an 8.5 mm outside diameter and a 5 mm inlet inside diameter, facilitate proper vapor flow control. Measuring 58 mm in length, the valve fits seamlessly into the vehicle's existing mounting points without the need for additional hardware.

Compatible Vehicles and Applications

This vapor canister purge valve is compatible with Toyota Echo models, providing a direct replacement for the original equipment part. It is intended for use in the vehicle's evaporative system to regulate fuel vapor flow from the charcoal canister to the intake manifold, helping to reduce emissions and improve engine performance.

Common Issues Addressed by This Purge Valve

• Check engine light triggered by faulty purge valve operation
• Rough idling or engine hesitation due to improper vapor flow
• Failed emissions tests related to evaporative system leaks
• Fuel odor caused by vapor leaks in the evaporative system
• Reduced fuel efficiency linked to purge valve malfunction

Installation Notes and Tips

When installing the Dorman 994-033 purge valve on a Toyota Echo, ensure the electrical connector is securely attached to avoid intermittent connections. Verify that the two ports are properly connected to the corresponding hoses with 8.5 mm outside diameter fittings. Since mounting hardware is not included, reuse the original fasteners or acquire compatible hardware as needed. Always follow vehicle-specific service manual instructions for safe and correct installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for emission control components. While specific warranty details for part number 994-033 are not provided here, Dorman typically offers limited warranties covering defects in material and workmanship. Consult the product packaging or Dorman's official resources for exact warranty terms.