Quote:
Originally Posted by Khyron686
Non-motorhead here, but I remember reading that the engine changes to Direct Injection at higher revs. Is that dip the switchover?
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No. The D4-S injection is 'continuously variable' in a sense. At low loads it is a mix of both.
The manifold/cam tuning is likely the case. They could likely tune it out but they would probably lose too much low-end to the point that people complain about daily driving it.