Quote:
Originally Posted by Tomas_S
Yes, correct. Easy to start when it is cold, idles fine. But when i push the throttle either in gear or neutral it stops. After a little time and a few tries it will «get over it». The choke is automatic, I was told it gradually decreases the choke from 100 to 0% over the course of 6 min. So if this is right I am thinking it gets too much when the choke is close to 100%, as time passes it gets less and manage to run ok again. But this is just my own hypotesis.
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If it’s a modern DF15 then it’ll be fuel injection, so no choke as such. There’s an idle air control valve which could be the culprit, but I’d start by making sure there’s a clean supply of good fuel to the high pressure pump. So;
- Change fuel with fresh fuel, if there’s any older fuel in the system or tank
- Check for any air leaks in the system such as a split primer bulb
- Replace engine low pressure fuel filter. If this has been done in the last couple of years then it’s probably not this.
- Clean out vapour separator tank and high pressure fuel pump gauze.
Has the boat been sitting over the winter and what year is the engine? Sounds like a fuel issue anyway and it’s not too hard to work through the system to eliminate the potential problem points.
