intake carbon buildup
02-12-2010, 04:41 AM
#1
intake carbon buildup
About to take delivery of 2010 a4, just noticed the issue of intake valve carbon buildup for direct injection engines. Does the B8 2.0 have this issue? I read somewhere VW started with supplemental injectors upstream of valves to spray on the intakes, mimicing Toyota. Also that their newer PCV systems avoid oil reaching intake tract.
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