![HPS Silicone Breather Hose Kit 03-06 Volkswagen Golf MK4 1.8T Turbo AWP 57-1934 - HPS Performance Products HPS Silicone Breather Hose Kit 03-06 Volkswagen Golf MK4 1.8T Turbo AWP 57-1934 - HPS Performance Products](https://hpsperformanceproducts.com/cdn/shop/products/57-1934-RED_installed_5000x.jpg?v=1642528361)
HPS Silicone Breather Hose Kit 03-06 Volkswagen Golf MK4 1.8T Turbo AWP 57-1934 - HPS Performance Products
![Does anyone know what this hose is and what it does? Car is a 2001 VW Golf GTI 1.8t awd engine, thank you : r/EngineBuilding Does anyone know what this hose is and what it does? Car is a 2001 VW Golf GTI 1.8t awd engine, thank you : r/EngineBuilding](https://i.redd.it/qr9gd233z4q21.jpg)
Does anyone know what this hose is and what it does? Car is a 2001 VW Golf GTI 1.8t awd engine, thank you : r/EngineBuilding
VW GOLF 4 GTi AGU 1.8T ENGINE - Car Engines & Engine Parts - Durban, KwaZulu-Natal | Facebook Marketplace | Facebook
![Mk4 Golf 1.8T 2004, has an issue with a consistent check engine light probably having to deal with this. These tubes coming from the fuel injection system I believe had been open. Mk4 Golf 1.8T 2004, has an issue with a consistent check engine light probably having to deal with this. These tubes coming from the fuel injection system I believe had been open.](https://i.redd.it/ob4zav1doie71.jpg)