What you describe usually happens to me when I've read several of one author's books in a row. These days, I'll only do it if I love the author's work, and with that kind of love, sometimes I have lofty expectations of what the author might do next. I also begin to see the author's go-to turns of phrase and other stylistic tics that pull me out of a story.
My remedy is to take a break from the author's books. I still keep an eye on each new one that comes out, but I don't buy it on the author's name alone. I decide if the plot sounds different enough from what I've already read to make me go back.
The trade-off with ongoing series is that the author has to keep returning readers engaged while delivering the same kind of book overall to keep the series consistent.