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I figured it out and I am seeing something like 14MPG overall. Dealer says it is my right foot and a S won't get any more than that in city driving, but I tell you that I don't drove drive it hard compared at all. Not much difference than my Tahoe for the most part, don't roadrace from light to light, or anything even remotely aggressive. I feel that the car feels slightly sluggish, even more so since my "Revo" technik free trial, but the mileage wasn't any better before than time anyhoo. Complete 60K no-expense spared tuneup at Porsche dealership was done less than 10k ago with new replacement Porsche engine.
Think it could have been broken in badly or perhaps the CEL is just not working?
It just "feels" slightly off....no backfire, rough idle or anything of note.....just feels like something is not tuned 100% IMHO.
Any ideas or things to check?
Thanks.
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