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99 Sea Ray mercruiser 3.0 ddis loses power after planning out

T

Trs560

New member
We have a 99 sea ray with 3.0 mercruiser ddis purchased a year an a half ago. Ran fine originally but noticed the fuel pump leaking last season and replaced it. After riding the lake for several hours the motor began to intermittently cut out like trying to run out of gas then acted sluggish, giving it full drive power and going at a snails crawl, it would eventually die. We'd let it set and it would recover for a small amount of time then once again. Even though the ignition ommed out good we replaced it with another.. On the trailer with muffs sounded great, took to the lake and after 10 minutes same old story but this time it wouldn't start after dying, we managed to flood it and had to be pulled in. Sparkplug looks good filters not bad but replaced anyways. Any ideas? Thanks in advance.
 
Ayuh,...... You have a fuel delivery problem, not an ignition problem,.....

Figure out why the gas ain't gettin' from the tank, through the carb,.....
Everything is suspect, includin' the quality of the fuel in the tank,....
 
bondo said:
Ayuh,...... You have a fuel delivery problem, not an ignition problem,.....

Figure out why the gas ain't gettin' from the tank, through the carb,.....
Everything is suspect, includin' the quality of the fuel in the tank,....
Click to expand...

Fuel line, vent, carb all look good. When the boat starts stuttering I put the hammer down trying to get power and the motor reaves up like it's responding but just stops going forward.. It eventually dies but motor sounds strong and receptive to the moment it does. Thoughts?
 
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