---
type: product
part_number: "6Q0906517"
title: "Valve N80"
category: "Engine > Sensors"
language: en
canonical: "https://catalog.polo.blue/6Q0906517/"
translations:
  pl: "https://catalog.polo.blue/pl/6Q0906517/"
  de: "https://catalog.polo.blue/de/6Q0906517/"
updated: 2026-02-25
---

# Valve N80

> Vent valve N80 (EVAP) is an electromagnetic valve that regulates the flow of fuel vapor from the fuel tank to the charcoal canister.

- Part number: 6Q0906517
- Category: Engine > Sensors
- Web page: https://catalog.polo.blue/6Q0906517/

## Specification

- Manufacturer: Bosch, Valeo
- Engine Code: CGPB, CGPA, CGGB, CNKA, CLPA, CLSA
- Replacement numbers: 6QE906517

## Description

Vent valve N80 (EVAP) is an electromagnetic valve that regulates the flow of fuel vapor from the fuel tank to the charcoal canister. The charcoal canister stores fuel vapor before it is routed back to the engine to be burned.

Functions of the N80 vent valve:

Prevents fuel vapor from being released into the atmosphere.

Ensures proper functioning of the EVAP (Evaporative Emission Control) system.

Helps to keep the engine clean.

Symptoms of a faulty N80 vent valve:

Difficulty starting the engine.

Lack of engine power.

Check Engine Light is on.

Increased fuel consumption.

Strong smell of gasoline.

Replace this item is often a fix for P0441 error (Evaporative Emission Control System Incorrect Purge Flow).

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