Carbon Build up on Direct Injection Engine (Intake Valves) AKA GDI Gasoline Direct Inection

Have you had a shop tell you that carbon build up in your engine is causing cold start misfires or other issues?  This video will offer you insight as to why direct injections have problems with carbon, as well as solutions for cleaning the carbon off the valves.

The solutions include Catch Cans (Preventative), Manual Valve Cleaning as well as Soda and Walnut Blasting.

In this video we have examples of how the PCV system works on VW and Audi 2.0T TSI engines.  We also have included some examples of carbon build up at 33K miles and 75K miles.  This was done in an effort to give everyone a complete understanding of why your car might have a carbon issue.

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