Standard Ignition CVS191 Vapor Canister Vent Solenoid

Vapor Canister Vent Solenoid for GM Trucks and SUVs

Standard Ignition CVS191 is a vapor canister vent solenoid for emission control service on select Chevrolet and GMC applications. It is built with a female/female connector layout, two connector interfaces, and an included harness and filter element for a direct replacement approach.

Compatible With 2007-2010 GMC Sierra 2500 HD, 2007-2010 GMC Sierra 3500 HD, 2008-2010 Chevrolet Avalanche, 2008-2010 Chevrolet Silverado 1500, 2008-2010 Chevrolet Silverado 2500 HD, 2010 Chevrolet Silverado 3500 HD, 2010 Chevrolet Tahoe, and 2008-2010 GMC Sierra 1500. Standard Ignition CVS191 also cross-references 23103351 and CPV201 for the same application.

Key Features

• Vapor canister vent solenoid for EVAP emission control service
• Female/female connector design with oval and rectangle connector shapes
• Two-port configuration with blade terminals
• Includes harness and filter element for service replacement
• Direct application coverage for Chevrolet Silverado, Tahoe, Avalanche, and GMC Sierra models

Detailed Description

Standard Ignition CVS191 is used to control venting in the evaporative emission system, helping the vehicle manage fuel vapor flow through the canister circuit. The unit features two connector quantities, female and male terminal interfaces, and a grounded base is not used in this design. Its included filter element supports vent-side service where contamination or restriction can affect EVAP operation. This part number, CVS191, is listed for multiple GM truck and SUV platforms, including Silverado, Sierra, Tahoe, and Avalanche applications.

Common Issues This Part May Address

• EVAP system fault codes related to vent control
• Fuel vapor venting problems during emission system operation
• Restricted or contaminated vent path at the canister circuit
• Failed solenoid response in the vapor canister vent system
• Check engine light concerns tied to evaporative emissions

Installation Notes and Tips

Verify connector shape, terminal style, and port layout against the original unit before installation. Inspect the harness routing and hose connections during service, and confirm the filter area is clean so the vent circuit can operate correctly. Standard Ignition CVS191 is listed for 2007-2010 GMC Sierra 2500 HD and Sierra 3500 HD, 2008-2010 Chevrolet Avalanche, Silverado 1500, Silverado 2500 HD, and GMC Sierra 1500, plus 2010 Chevrolet Silverado 3500 HD and Tahoe.

Quality Assurance

Standard Ignition supplies emission control components for service replacement applications, and CVS191 is built to match the listed GM fitments and connector requirements for the specified vehicles.