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    4. : Why are the injectors on a Volkswagen Polo 1.6 TDI making noise?

Why are the injectors on a Volkswagen Polo 1.6 TDI making noise?
Years 2009-2017

Answer

A very common problem in Volkswagen cars has been the stock injectors. Therefore, if your car starts making the classic knocking noise after a certain number of kilometers, this will surely be due to the injectors which do not seem to like diesel with a high sulfur content. To solve the problem, go to an authorized Volkswagen workshop and carry out a mapping or use the special diesel with the additive.
Posted on: 24 January 2023 by ScegliAuto

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