HomeEmission Control > Evaporative SystemStandard Ignition CP781 Vapor Canister Purge Solenoid
Part #: CP781

Standard Ignition CP781 Vapor Canister Purge Solenoid

33 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick and Chevrolet, Encore, Trax, Sonic, Cruze Limited, and Cruze
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Overview of Standard Ignition Vapor Canister Purge Solenoid CP781

The Standard Ignition CP781 vapor canister purge solenoid is designed for precise emission control in select Buick and Chevrolet models. This solenoid ensures proper vapor flow management, contributing to efficient fuel system operation and reduced emissions.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Connector Shape: Rectangular
  • Port Quantity: 2
  • Terminal Gender: Male
  • Terminal Quantity: 2
  • Terminal Type: Blade

Detailed Product Description

The CP781 vapor canister purge solenoid from Standard Ignition features a female rectangular connector with a single connection point, facilitating straightforward integration into the vehicle’s emission control system. It includes two ports for vapor flow and two male blade terminals, ensuring reliable electrical connectivity. This configuration supports consistent operation in emission control systems, particularly for Buick and Chevrolet vehicles such as the Cruze, Cruze Limited, Encore, Sonic, and Trax.

Compatible Vehicles and Applications

This vapor canister purge solenoid is compatible with the following makes and models:

  • Buick Encore
  • Chevrolet Cruze and Cruze Limited
  • Chevrolet Sonic
  • Chevrolet Trax

It is engineered to meet the specific emission control requirements of these vehicles, helping maintain compliance with environmental standards.

Common Issues Addressed by CP781 Solenoid

  • Check Engine Light triggered by faulty purge solenoid
  • Rough idling or engine hesitation due to vapor flow disruption
  • Failed emissions tests related to evaporative system leaks
  • Fuel odor caused by improper vapor canister venting
  • Reduced fuel efficiency linked to emission control malfunctions

Installation Notes and Tips

When installing the Standard Ignition CP781 solenoid, ensure the female rectangular connector aligns properly with the vehicle harness. Verify that the two blade terminals are securely connected to avoid electrical issues. It is recommended to inspect the vapor lines for cracks or damage during replacement. Proper installation will support optimal emission system performance in Buick and Chevrolet models listed.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The CP781 vapor canister purge solenoid undergoes rigorous testing to ensure durability and reliable operation. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use.

BrandStandard Ignition
Part NumberCP781
Connector GenderFemale
Connector ShapeRectangular
Terminal GenderMale
Terminal TypeBlade

This part fits 33 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2021BuickEncore1.4LL4N/A
2021ChevroletTraxN/A
2020BuickEncore1.4LL4N/APorted vacuum switch with dual ports
2020ChevroletSonicN/A
2020ChevroletTrax1.4LL4N/A
2019BuickEncore1.4LL4N/APorted vacuum switch with dual ports
2019ChevroletSonicN/A
2019ChevroletTrax1.4LL4N/A
2018BuickEncore1.4LL4N/A
2018ChevroletSonicN/A
2018ChevroletTrax1.4LL4N/A
2017BuickEncore1.4LL4N/A
2017ChevroletSonicN/A
2017ChevroletTrax1.4LL4N/A
2016BuickEncore1.4LL4N/A
2016ChevroletCruze Limited1.4LL4N/A
2016ChevroletSonicN/A
2016ChevroletTrax1.4LL4N/A
2015BuickEncore1.4LL4N/A
2015ChevroletCruze1.4LL4N/A
2015ChevroletSonicN/A
2015ChevroletTrax1.4LL4N/A
2014BuickEncore1.4LL4N/A
2014ChevroletCruze1.4LL4N/A
2014ChevroletSonicN/A
2014ChevroletTrax1.4LL4N/A
2013BuickEncore1.4LL4N/A
2013ChevroletCruze1.4LL4N/A
2013ChevroletSonicN/A
2013ChevroletTrax1.4LL4N/A
2012ChevroletCruze1.4LL4N/A
2012ChevroletSonicN/A
2011ChevroletCruze1.4LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2-2840162M12645557301773-1117477655351911-409CP870CPE1036PV704

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.