Do it yourself
Frequently asked questions about cars and motorcycles

Cleaning the Fuel Tank and Diesel System on a Volkswagen Passat

Model: Volkswagen Passat B7 - Years 2010-2014
Part: Checks and maintenance

Cleaning the fuel tank and the entire fuel system is a maintenance task that is often overlooked but can have serious repercussions on engine operation, from simple clogging of the filter and/or low-pressure pump to the failure of the injectors or high-pressure pump. Since the addition of biodiesel to fossil fuel has been mandated, the risk of algae formation inside the tank and thus the fuel system has become increasingly frequent; therefore, it is advisable to periodically use the appropriate additives, especially after carrying out a complete cleaning of the system.

Updated on 19 February 2026 by ScegliAuto

Video tutorial

Related tutorials

Volkswagen Passat (2010-2014 / B7) To ensure a clean flow of diesel to the fuel system of the Volkswagen Passat, you must periodically replace the diesel filter. To do this, open the b…
Volkswagen Passat (2005-2010 / B6, 3C) If you want to clean the injectors and the injection system using an additive, rather than adding it to the fuel tank, you can bypass the diesel filt…
Volkswagen Passat (2014-2023 / B8, 3G, MK 8) The AdBlue light on the Volkswagen Passat, as shown in the tutorial video, activates just like any other vehicle when a low quantity of this anti-pol…

Other guides you may be interested in

    Frequently Asked Questions

    • Passat 2005-2010 - How to unlock the Volkswagen Passat's lock? Read answer
    • Passat 2005-2010 - Why doesn't the Volkswagen Passat start up? Read answer

How to reset the tyre pressure warning light on the Dacia Sandero?

To reset the tyre pressure warning light on the Dacia Sandero, inflate all the tyres to the pressure indicated on the label on the driver's door. Once the tyres are inflated, turn on the ignition and navigate through the menu using the controls on the right side of the steering wheel. Scroll with the arrows to find the tyre pressure option: by holding down the OK button located on the right side of the steering wheel, you can reset the warning light.

Watch the video!


by ScegliAuto

More videos