Carbon Buildup on Audi and VW Direct-Injection Engines
Why direct-injection Audi and VW engines build carbon on the intake valves, the warning signs, how it's diagnosed and cleaned, and how to slow it down.
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Straight answers on owning and maintaining Audi, Volkswagen, Porsche and exotic cars, from the technicians at Bluegrass Precision Motorwerks in Lexington, KY.

Why direct-injection Audi and VW engines build carbon on the intake valves, the warning signs, how it's diagnosed and cleaned, and how to slow it down.
Read the postMost Ferrari, Lamborghini and McLaren service can be done in Lexington. What still needs the dealer, and how we help when it does.
Read the postWhat a Porsche specialist checks before you buy: PIWIS scan and over-rev history, IMS and bore scoring, leaks, PDK, brakes and a photo report.
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