Engine runs smooth and performs well. Idle set at approximately 650 rpm. Serial # 1A312851.
Diesels badly nearly every shut down with regular fuel. Still diesels with premium fuel, but not as bad.
I noticed there is a vacuum hose fitting coming off the distributor ... but no hose attached. I...
So two days ago I detached and reattached the wiring to the ICM ...there has been no beep for 2 days - I can't believe it! 3 years of trying to replace things and diagnose the problem and a simple disconnect/reconnect fixes it. Thank you so much for your help!!!
One other thought, you sent me a parts diagram and said "part #6 was the sensor. I have replaced part 6. Should I also try replacing part dwg. # 3 ? What does that part do?
Wow! This is amazing it sounds just like my issue. What a wealth of info. I sure hope the ICM connect/disconnect works. However, I take the battery out for the winter so I won't get too hopeful.
So this is the 3rd season I have tried to resolve this problem. My boat runs 170-175 degrees. When it hits 175 the alarm beeps intermittently. I usually rev it in neutral until the heat drops. I have replaced the water impeller, the heat sensor and the thermostat (160 degree). I have also...
I have a 2008 4.3 ltr tks that runs around 170 degrees pretty consistently ...no problem. However, at times (at high rpm or under load) it will hit 175-180d Soon as this happens the high temp alarm beeps and will not stop until I stop the boat and rev in neutral to bring temp down.
I have...
I have a 4.3 ltr tks 2008 mercruiser with water pouring out of the front right side frost plug which is behind the motor mount. How do you get at it and how do you replace it?
Serial # 1a312851
It seems like I have tried everything possible to resolve my problem and no change.
Under about 3000 rpm - it runs at about 170 degrees - no alarm. Over 3000 it goes up to about 180 degrees and the alarm comes on intermittently. I know it is the hot alarm because if I detach...
