Diesel quits in rough water or tight turn - Page 2 - SailNet Community
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post #11 of 22 Old 04-27-2009
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Just another thought. You mentioned the fuel gauge is kaput. Like MMR recommended I'd check to see if there's a relationship between the engine problem and the gauge. The setup I had on the previous boat had both wired into the ignition switch. With a boat of that age, plus the motor installation several years back, you could have an intermittent connection. I'd start checking the wiring at the switch.
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post #12 of 22 Old 04-27-2009
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On most diesel engines, there's nothing electrical which would cause the engine to die (unless you have either an electric fuel pump or a short in the stop solenoid).

Diesel problems in order of occurence are: (1) fuel; (2) fuel; and (3) fuel. You've very likely got a dirty fuel tank, and maybe some bad or old fuel.

Have the tank cleaned. Make sure the pickups are clear. Change the filters. Check to be sure all fuel connections are tight. Yes, it's a dirty job and a lot of work, but if your tank is dirty partial measures like changing the filters won't do the trick.

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post #13 of 22 Old 04-27-2009
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Are your useful spare parts for a Westerbeke 30b?
Yup....
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post #14 of 22 Old 03-18-2016
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Re: Diesel quits in rough water or tight turn

A followup on this particular boat. We bought it from "BigChump" and found air was leaking into the fuel line at the fuel shutoff valve on the tank.

Found out air was the problem by putting in a temporary section of clear hose at various points.

Another problem was that the fuel tank was vented on the stern and the line ran up,down,up,down all the way back. Moved the fuel vent to the side near the tank. Inadequate venting made the air suck at the valve worse.

In doing that found that the holding tank for the head was vented to the fuel tank. Fixed that too.

Since replacing the valve and venting the tanks better it has run well.
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post #15 of 22 Old 03-18-2016
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Re: Diesel quits in rough water or tight turn

"Will the pink dye in the diesel also dye any water pink?
AFAIK the racor may be full of pink water."

I'm not sure I understand this reference. My diesel fuel is completely clear - bought from automotive stations. Is marine diesel pink? I though only off-road (farm use) diesel was dyed, and then it is red.

Bristol 31.1, San Francisco Bay
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post #16 of 22 Old 03-18-2016
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Re: Diesel quits in rough water or tight turn

Marine diesel is pink (red dye).
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post #17 of 22 Old 03-18-2016
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Re: Diesel quits in rough water or tight turn

Pickup tube in the tank most likely got clogged with trash in the tank. Made a rig to clean my tank once and a while. Used a fuel transfer pump and a regular 20 micron household filter. Just pumped it thru the filter back in the tank. Works great.
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post #18 of 22 Old 03-19-2016
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Re: Diesel quits in rough water or tight turn

you have dirty fuel.. you may also have an air leak.
install a racor 500fg and make sure the fittings are proper so you donot allow air into system ( youthink you have troubles now HA) make your priming pump an electric assist pump(low pressure) found in napa or autozone.
use it.
make sure no air leaks with install.
run your fuel thru this
make sure your pick up(in the tank) isnt a straight tube that makes air lock within 15 m in of ignition.
bleed system well.
BIO BOR use it. always.

buy 10 filter cartridges for your racor.
NOW enjoy your boat.

donot worry bout the color of the fuel. just worry that it works. all colors fuel work if you havent any air or dirt ... or water... use your racor


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formosa 41, cruising tropics


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post #19 of 22 Old 03-19-2016
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Re: Diesel quits in rough water or tight turn

Quote:
Originally Posted by Newport View Post
A followup on this particular boat. We bought it from "BigChump" and found air was leaking into the fuel line at the fuel shutoff valve on the tank.

Found out air was the problem by putting in a temporary section of clear hose at various points.

Another problem was that the fuel tank was vented on the stern and the line ran up,down,up,down all the way back. Moved the fuel vent to the side near the tank. Inadequate venting made the air suck at the valve worse.

In doing that found that the holding tank for the head was vented to the fuel tank. Fixed that too.

Since replacing the valve and venting the tanks better it has run well.
Multiple issues are the ban of diagnosis. I hope it didn't take you seven years to get sorted out!

sail fast and eat well, dave S/V Auspicious

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post #20 of 22 Old 03-19-2016
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Re: Diesel quits in rough water or tight turn

[QUOTE=Newport;3398897]A followup on this particular boat. We bought it from "BigChump" and found air was leaking into the fuel line at the fuel shutoff valve on the tank.


In doing that found that the holding tank for the head was vented to the fuel tank. Fixed that too.


That's the craziest thing I have ever heard, I believe you but Really?
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