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Re: Pesky Vw/Audi direct injection cold start misfires
Posted to Technical Tips Forum on 6/10/2013 3 Replies

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Jim,

To be clear, you're saying this carbon build-up on VW/Audi is mostly from the combustion chamber? Or, as Allen stated, from the crankcase ventilation? Would "Top Tier" (added nitrogen) fuels h... Login to read more.

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