I've get intermittent rough/shaky acceleration, especially when climbing hills. It's not happening all the time, but's it's fairly frequent. I looked at the hoses, they all seem fine. Also, I've tried revving the engine in park and don't notice problems (did on both flat and inclined surfaces), seems to only be a problem when I'm driving, and like I said, going up a hill it's more frequent. The check engine light is NOT on.
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