My volvo penta 5.7 turns over but will not start.?

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deansbelief99

New member
The motor turn over but sounds alittle like it's sturggleing to start does'nt turn over freely. I can turn the motor by hand, getting spark to silanod. Boat set for 1 1/2 years. What should I try.
 
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Hruth

New member
It sat for a year and a half? Is it a diesel? I'd bet the injectors and pump are all waxed up. Pull an injector line and check if it's blocked. You're probably going to have to have your injectors and pump serviced, and flush out all the fuel lines, replace the filter element, and have the tank/s flushed.

If the problem is only minor, there are diesel fuel treatment products that can help get the moisture (diesel is hygroscopic, meaning it absorbs water out of the atmosphere) and waxing out of your fuel system.
 
H

Hruth

New member
It sat for a year and a half? Is it a diesel? I'd bet the injectors and pump are all waxed up. Pull an injector line and check if it's blocked. You're probably going to have to have your injectors and pump serviced, and flush out all the fuel lines, replace the filter element, and have the tank/s flushed.

If the problem is only minor, there are diesel fuel treatment products that can help get the moisture (diesel is hygroscopic, meaning it absorbs water out of the atmosphere) and waxing out of your fuel system.
 
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