Jebiruph
Well-Known Member
I had to make this choice 2 years ago for my wife's Cherokee. What I found at the time was that Mazda seem to be the only manufacturer that had solved the carbon build up issue without adding a set of port injectors (in addition to the direct injectors). To my thinking, this gave the 3.2 (Cherokee's mini 3.6) the future reliability advantage and that's what I went with.Not that I've heard of yet. But the jury is still out I guess. I don't think any of the new DI engines are really subject too extreme Carbon build up like the earlier engines were.
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