Genuine Volvo 31392490 Fuel Vapor Leak Detection Pump

The Genuine Volvo 31392490 Fuel Vapor Leak Detection Pump is a critical component of your vehicle's Evaporative Emission Control (EVAP) system. This OEM replacement part is designed to detect leaks in the fuel vapor system by pressurizing it and monitoring for pressure loss, ensuring your Volvo meets strict emissions standards and operates efficiently.

Key Features:

• Pressurizes the EVAP system to approximately 7.5 inches of water for leak testing
• Detects leaks as small as 0.020 inches, helping maintain emissions compliance
• Communicates with the Powertrain Control Module (PCM) to trigger diagnostic trouble codes when leaks are detected
• Includes integrated hoses for complete installation
• Direct OEM replacement ensuring proper fit and function
• Prevents harmful fuel vapors from escaping into the atmosphere

This pump uses engine vacuum to power a diaphragm that pumps air into the EVAP system during diagnostic testing. When a leak is present, the system alerts the driver via the Check Engine Light, allowing for prompt repair before emissions testing failure or further system damage occurs. The Genuine Volvo 31392490 replaces previous part numbers 31321575 and 31338272, and is compatible with multiple Volvo models including S60, S80, V60, V70, XC60, and XC70 vehicles from 2002-2016.

Manufactured to Volvo's exacting specifications, this genuine part ensures reliability and longevity, maintaining your vehicle's environmental performance and preventing costly emissions-related repairs.