Hi,

I had a very similar problem last year, although it cost me a tow to figure it 
out. Eventually we had the tank taken out and cleaned. It wasn’t cheap, but it 
gives me a lot more confidence for next year.

Cheers,
Dennis

Dennis Peters
dennis.k.pet...@gmail.com



> On Nov 14, 2018, at 15:42, DON JONSSON via CnC-List <cnc-list@cnc-list.com> 
> wrote:
> 
> The other day when motoring the engine quit when pulling into the marina.  
> Got it going again to make the slip but then it quit again.  Repeat a few 
> times.  We thought the most likely culprit was the new fuel gauge not being 
> configured correctly and had run out of diesel.  Second culprit may be dirty 
> fuel as had been sailing with very little fuel in the tank and that could 
> stir things up.
> 
> So the next day we began the investigation.
> 
> We hadn't run out of diesel and there is about 1/4 of a tank.  Checked the 
> primary filter which is new and it doesn't look too bad.  Started the engine 
> again and it ran and then quit a couple of times.  Trying again we rev'd it 
> hard just before it could die and it kept going even when we put it back to 
> idle.  Now it seems to run fine.  But it doesn't instil confidence.  
> 
> In the C&C fuel tank you can take out the gauge and you have a little (2 
> inch?) hole you can see into the tank.  We put a camera in there and can see 
> the bottom of the tank is about 50% covered with black.  The rest shines.  If 
> you swirl a stick in there the black sediment is definitely light and moves.
> 
> So perhaps it is the fuel filters.  The secondary filter is not one you can 
> look into so it could be there.  Sailing the boat with little fuel in a 
> following sea would definitely stir things up.  But why is the engine running 
> well now if it is a plugged filter?  Why didn't it require bleeding?
> 
> We got a quote to polish the fuel tank and it is decidedly not cheap.  In 
> fact I'd go all the way to damned expensive.
> 
> So the questions:
> 
> 1. Has anyone else had a similar experience and was it the fuel filters?  We 
> never had to bleed the lines and the engine now runs fine.
> 
> 2. Does anyone have another idea as to what it could be?  The engine only has 
> 500 hours on it and starts and runs like a top (if you forgive the two 
> alternators we have already gone through.  Manufacturing fault on both 
> claimed by alternator repair people.)
> 
> 3. Can someone give advice on how to clean the fuel.  We have access in the 
> front of the tank but not behind the baffle which is about in the middle (I 
> think).  The hole is small to options seem limited.   Can you dissolve the 
> sediment?   How did you flush it all out?  
> 
> Thanks for any help.
> 
> Don Jonsson
> Andante, C&C 34
> Victoria
> 
> 
> 
> 
> Sent from my iPad
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