Question about 2005 Volkswagen Microbus

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I have a 1997 2.6i caravelle that has black smoke coming from the exhaust

Carbon on the plugs

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BG has a product called MOA that's supposed to help with this issue. The possible cause for this is carbon buildup not allowing piston rings to their job. The service is two cans one is a cleaner and the other som sort of conditioner that's claims to help restore compression. The cleaner is added to the existing oil and the engine is then ran at a certain RPM for a certain amount of time. When done the engine and filter are placed and the conditioner/compression restoring agent is added to the oil. I believe but not completely sure VW dealers are using the product as they are encountering this type of issues. You can also search for BG or a shop that uses BG on the BG website.

Posted on Apr 13, 2014

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Posted on Jan 02, 2017

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