Standard Ignition CVS139 Vapor Canister Vent Solenoid

Overview of Standard Ignition Vapor Canister Vent Solenoid CVS139

The Standard Ignition Vapor Canister Vent Solenoid CVS139 is designed for emission control systems in select Chevrolet and GMC trucks and SUVs. This solenoid plays a critical role in managing fuel vapor flow, helping maintain proper emissions performance in vehicles like the Chevrolet Silverado and GMC Sierra series.

• Connector Gender: Female
• Connector Quantity: 1
• Connector Shape: Square
• Contents: Solenoid
• Hose Connector Quantity: 2
• Port Quantity: 2
• Terminal Gender: Male
• Terminal Quantity: 2
• Terminal Type: Blade

Detailed Product Description

The CVS139 vapor canister vent solenoid from Standard Ignition is engineered to fit specific Chevrolet and GMC models, including the Avalanche, Cheyenne, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, and Tahoe. This component features a female square connector with one connector and two hose connectors, allowing for secure and reliable connections within the vehicle’s evaporative emission control system. The solenoid contains two ports and two male blade terminals, ensuring compatibility with the factory wiring harness and proper electrical connection.

Function and Common Applications

This vapor canister vent solenoid is essential for controlling the flow of fuel vapors from the charcoal canister to the engine intake manifold. It helps regulate the purge of vapors, reducing emissions and improving fuel system efficiency. The CVS139 solenoid addresses issues such as:

• Check engine light triggered by EVAP system faults
• Fuel odor around the vehicle due to vapor leaks
• Failed emissions tests related to vapor canister venting
• Rough idle or poor engine performance caused by improper vapor flow
• Fuel system pressure irregularities linked to solenoid malfunction

Installation Notes and Tips

When installing the Standard Ignition CVS139 solenoid, ensure the vehicle is compatible by verifying the make and model fitment. Disconnect the battery before installation to prevent electrical shorts. Carefully remove the old solenoid and inspect the surrounding hoses and connectors for damage or wear. Connect the female square connector securely and confirm that the two hose connectors are properly attached to the vapor lines. Verify that the male blade terminals are fully seated to maintain electrical continuity. After installation, clear any diagnostic trouble codes and perform a system test to confirm proper operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The CVS139 vapor canister vent solenoid undergoes rigorous quality control to ensure reliable performance in emission control systems. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use conditions.