Standard Ignition CP838 Vapor Canister Purge Solenoid

Vapor Canister Purge Solenoid for Audi Applications

Standard Ignition CP838 is a vapor canister purge solenoid used in emission control systems to regulate fuel vapor flow from the charcoal canister into the engine intake. It is built with a female oval connector, one port, and male blade terminals for a direct electrical and vacuum connection on the listed Audi applications.

Key Features

• Vapor canister purge solenoid for emission control service
• Female connector with oval shape for the vehicle harness interface
• 1 port design for purge vapor routing
• Male blade terminals with 2-terminal electrical connection
• Standard Ignition CP838 replacement part
• Cross-references Gates PV386 for the same application

Detailed Description

Standard Ignition CP838 is a purge solenoid valve used to control the release of stored fuel vapors from the evaporative emissions system. On Audi A6 Quattro, A7 Quattro, A8 Quattro, Q5, Q7, S4, S5, and SQ5 applications, this component helps maintain proper vapor management between the canister and intake system. The CP838 part number is a direct reference for buyers searching for an Audi vapor canister purge solenoid, Audi EVAP purge valve, or emission control solenoid replacement.

This part cross-references Gates PV386 for the same application.

What It Is Used For

• Check engine light related to EVAP purge flow faults
• Fuel vapor purge control issues
• Rough idle caused by purge valve malfunction
• Evaporative emissions system leak or flow codes
• Hard starting after refueling tied to purge solenoid problems

Installation Notes and Tips

Verify connector shape, terminal style, and port layout against the original unit before installation. Confirm the vehicle application by year, make, and model, then inspect vacuum lines and electrical terminals for wear, corrosion, or cracking during replacement. For fitment, this part is listed for 2011-2012 Audi Q7, 2012-2015 Audi A6 Quattro, 2012-2016 Audi A7 Quattro, 2013-2016 Audi S4, 2013-2016 Audi S5, 2013-2017 Audi Q5, 2014-2016 Audi SQ5, and 2016-2021 Audi A8 Quattro.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and emission control components. CP838 is specified with the listed connector and terminal configuration to support accurate replacement selection for the covered Audi models.