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rcrowl
30-11-2007, 11:12 PM
I have a new 2008 Touareg V8 with FSI. The engine under load has a mild "diesel clatter" sounding somewhat like pre-ignition "ping" I have tried using American Premium Unleaded with min. (R+M)/2 of 93 compared to VW min. recommended of 91. I have also tried American Regular Unleaded with min.(R+M)/2 of 87. The fuel makes little if any difference. I wonder if this sound is characteristic of the direct injection FSI.

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