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Member
Prostate problems
Got a Merc 150 efi. Changed the impeller and the pee stream is weak. Just a sputter. Never got any overheat alarms. Will it be ok with just a sputter? Before I changed the impeller there was nothing out of the telltale. Water flow out of cavitation plate is good.
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Mercury 3L/4 Stroke/Verado Moderator
Please see the Announcements at the top of the Forum, and be sure to provide the REQUIRED info (serial number) when posting. Thanks!
Many of the 2.5L models get their telltale from the THERMOSTATS. Hence there will be little (or no) telltale until or unless the thermostats open- telltale may "come and go" and when present will be SCALDING hot.