Good morning all,

I started the new thread to better describe the topic.

Update, Last night I pulled the right valve cover and inspected the wiring, no problems found. I will pull the other side shortly.

I did take a fuel sample, found what looks like oil mixted with the fuel. Its a brownish color, no water or debris, just looks diluted.
I pulled the fuel filter and it looks black and the bowl is full of the brownish fuel.

Did I read that means the injector orings are bad? Would that describe my
sudden symptoms? (bad miss/ no power also sees to be knocking louder than normal)

Am I on the right track?

I would like to get this running today, all help is definately appreciated.

Thanks,
Joe

 

Could be bad o-rings.

Are you sure its not diesel Algae?

 

No sir, I am not sure of anything.

I can tell you that the truck did sit for quite awhile, just getting run a few times a year for about 2 years before I bought it. It was hot and humid when it started acting up.
Does that help?

Thanks,
Joe

 

If the filter is black I'm guessing algae, or injector 0-rings.

Get a algae killer for the tanks and have some extra fuel filters ready to change out. If that's not it, injector o-rings are my next bet.

 

Thanks,

what is the easiest way to plumb a aux. can of test fuel into this system? I would usually just plum a can to the fuel pump pick up on a typical gas/carburated engine with a block mounted fuel pump.
Or can i gravity feed a test can by hooking up to the filter bowl inlet?

Thanks,
Joe

 

it would probably be easier to just drop the tank and clean it.

 

Good deal, thats not what I wanted to hear. I don't mind doing it, but I would really like to know it is the problem before I go that far.

Is there a way to tell if its algae? Some kind of test to a fuel sample? A ph test?

Is the fact that the fuel is discolored cause a definate problem? Or is some amount of discoloration normal? No experience with diesel. I would be concerned if my gas turned this color.


sorry to be a pain guys. But as you can tell I am new to oil burners.

thanks,
Joe

 

there is a chemical you by to kill it. not sure what it is because ive never had the problem

 

Diesel fuel should be clear with a blue-ish tinge to it. No sediment and definately not brown/black.

And you are not being a pain. We've all been there, had problems, this is how you learn. Ask questions and then pass it on to the next guy who has this problem.

 

That what I thought. I quess I will drop one of the tanks and put clean fuel in it after a cleaning.

Thinking outloud here. If I take a fuel sample from the tank and it is clean.
Does that mean the fuel contamination is coming from the injector O rings??
Sounds logical to me, but I have been wrong before.

I am going to go out and get a sample from the tanks.

Thanks,
Joe

 

im not sure you can. it has a stop in the neck to prevent syphoning if i recall right. you may be able to take off the filler neck though

 

I'll let you know in a little while.

 

good luck.

 

Ok, Its easy to siphon these tanks. A piece of 3/8 clear tubing slides right in.

what I found is the front tank is the brown color, same as the fuel sample from the engine.

the rear tank is nice and clear as it should be.

now here is the important part.
when the truck was running and when it acted up it was on the rear tank.

I didn't switch over to the ft. tank until I was home and started playing with it.

So when it started acting up it should have been nice clear fuel.
So in other words. I am just as stumped.

Now I need to get the dirty fuel out of the lines and get it flowing on the clean fuel again and go from there.

Any suggestions on a easy way to do that?

 

isnt there a problem with the tanks delaminating?