Quote:
Originally Posted by Awong124
I don't know about this specific car, but carbon build up on the intake valves on Audis and VWs is completely normal. Because of direct injection, no fuel runs over the intake valves to clean off the carbon build up. I'm a tech at an Audi dealership, and whenever we do a job that requires removing the intake manifold we almost always recommend a decarb. It can get pretty bad after maybe 100,000 km. I probably wouldn't have recommended it at 27,000 though.
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Welcome to the gang -
Just for your information, as mentioned above, the FA20 engine is
both direct and port injected, so the port injectors usually take care of most of any carbon that tries to buildup around the valves.
humfrz