Shop Jeep Compass Purge Valve Solenoid. Locate Jeep Compass Vapor Canister Purge Solenoid & Jeep Compass Purge Valve Replacement Cost. Maintaining the Vapor Canister Purge Solenoid in your Jeep Compass is crucial for emission control, and recognizing signs like rough idling or difficulty starting indicates it may be time for a replacement. To extend its lifespan, avoid overfilling the fuel tank and regularly check for damage or leaks. When choosing a replacement, opt for OEM-quality solenoids designed specifically for the Compass to ensure compatibility and longevity. These solenoids are engineered with high-grade materials for optimum performance. During installation, ensure a secure fit and proper connection to the vehicle's electrical system, as this will maintain the integrity of the fuel evaporation system and keep your Jeep running smoothly.