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VW 2.0L (ABA) Causes of oil fouling induction system?
Posted to Technical Discussion Forum on 8/29/2005 3 Replies

Greetings,

On VW's 2.0L ABA and many others, the air induction system manages to get completely fouled with engine oil, including the MAF. I have replaced many of the "PCV valves"--known as the pressure regulator valve--on top of the rocker cover. The diaphr... Login to read more.

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