Standard Ignition CP786 Vapor Canister Purge Solenoid

Vapor Canister Purge Solenoid for Toyota and Lexus

Standard Ignition CP786 is a vapor canister purge solenoid for emission control systems on select Toyota and Lexus vehicles. It uses a female rectangular connector, male blade terminals, and a 3-port layout to match the original-style purge valve configuration on listed applications.

Compatible With Toyota Camry, Toyota Sienna, Lexus ES350, Toyota Avalon, Toyota Venza, Lexus RX350, Lexus RX450h, Toyota Highlander, and Toyota Solara applications across the fitment range shown below. Standard Ignition CP786 is also cross-referenced to Dorman OE Solutions 994-157 for the same application.

Key Features

• Part type: vapor canister purge solenoid
• Brand: Standard Ignition
• Part number: CP786
• Female connector with rectangular shape
• 2 male blade terminals
• 3-port solenoid design
• Built for emission control system service on listed Toyota and Lexus models

Detailed Description

The CP786 purge solenoid is used in the evaporative emission control system to regulate vapor flow from the charcoal canister into the engine intake under the proper operating conditions. On applications such as the Toyota Camry, Toyota Sienna, and Lexus RX350, a properly functioning purge solenoid helps maintain correct vapor routing and system operation. Standard Ignition CP786 is specified for multiple Toyota and Lexus platforms, including Camry, Sienna, Avalon, Venza, Highlander, Solara, ES350, RX350, and RX450h coverage within the listed years.

What It May Help Resolve

• Check engine light related to evaporative emission system faults
• Purge flow or purge circuit diagnostic trouble codes
• Rough idle caused by incorrect vapor purge operation
• Fuel vapor odor from purge system malfunction
• Failed emissions inspection tied to EVAP system issues

Installation Notes and Tips

Verify connector style, terminal layout, and port count against the original part before installation. Confirm the vehicle application by year, make, model, and any fitment note such as No. 1, No. 2, By Air Cleaner, or By Intake Manifold. For Toyota Camry and Toyota Sienna applications, review the exact fitment note carefully because multiple purge solenoid locations are listed across the model range.

Quality Assurance

Standard Ignition replacement parts are built for direct-fit service on the listed applications. This part cross-references Dorman OE Solutions 994-157 for the same application.