twin 4.3L merc running warm at idle

fendersfender

Petty Officer 1st Class
Joined
Mar 23, 2005
Messages
317
noticed today on shakedown cruise that my engines are running hot at idle (185), but when engines are throttled up, engines cool right down (145)......I will be changing impellers tomorrow.....any other causes of this that i should look for??? thank you
 

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
70,939
Re: twin 4.3L merc running warm at idle

I will be changing impellers tomorrow.....

Ayuh,... That's most likely the answer...
 
Top