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79 Posts
I second Rockter's advice about cleaning up the temp sender in the back of the engine, as well as mucking out the chamber the sender goes in. I had this problem on my engine (same model as yours), and when I tore it apart I discovered that there was a buildup of gunk that I think was preventing water from getting to the sender in the first place -- or if water was getting in there, it was only a trickle of disproportionately hot water. After cleaning, the problem went away. Good luck!
