New Holland Boomer problems

[Kordster]

I have a New Holland Boomer24 with only 115 hours on it. It is a 2014 model which I purchased new in late 2015. Last year it started missing and pulling down when I was mowing. I seemed to be able to mow for 45 minutes before this started. It pulls down, I turn off the PTO and in a bit it ramps back up. It may mow a couple of minutes before it happens again. The dealer said I needed a fuel filter. I purchased one, put it in and it ran great for about an hour. The next time I used it, the missing started after 30 minutes. It was at the end of the summer, so I didn't pursue the matter. I had to use it in the winter to move snow in my driveway. It ran fine. This summer I started out mowing and it ran fine. I was able to mow about 3 times when it started the missing again. It takes me about an hour to mow. I called the dealer and again they said fuel filter. The one I put in before didn't have 20 hours on it but I said ok. I purchased another filter and this time I drained what little fuel that was left in the tank and installed the new fuel filter. I put a couple gallons of diesel in and it ran perfect. I mowed for an hour and a half without issue. The next time I started it it was back to the same issue. Started missing and losing power after 45-60 minutes. The dealer has no clue as to what may be causing it. He will come get and return it for $150 plus whatever other charges there will be.
Has anyone experienced an issue like this or have any ideas as to what may be wrong?

 

[TnAndy]

Probably NOT the filter.

Check for an obstruction in the tank. Many of the newer tractors only have a 1/4" outlet for the fuel hose, and something floating around in the tank as simple as a bug will float over the outlet and shut off a lot of fuel flow.....happened twice on my tractor. And it's completely random.

Next time it bogs down, immediately look at the see-thru primary fuel bowl to see if you have ANY air in their.....that usually means you have an obstruction between it and the tank.....most likely IN the tank. If you can get to the tank outlet easy, drain it. If it's just a dribble of fuel, while it drains, stick something skinny like a pipe cleaner up the outlet into the tank and see if you don't get the flow going a LOT better.

 

[Professor Marvel]

does it start and run fine after you let it sit? then begin to have the same problem ? Or will it not start and run right at all?

 

[WM75Guy]

With the low hours per year you may have some algae that has grown in your tank. That can clog even a new filter. I would fill the tank full and add some diesel treatment. Pretty cheap way to rule out one problem.

Here is a thread about the problem.

https://www.tractorbynet.com/forums/oil-fuel-lubricants/371733-algae-my-diesel-next-steps.html

 

[Tx Jim]

Check for good fuel flow from tank. Have you tried operating with fuel cap removed & shop towel covering fuel tank neck?

 

[oosik]

My guess - there is something in your fuel tank that plugs the outlet, something plugging the fuel line or your fuel cap is plugged and needs to be cleaned. I say this because you have not mentioned that the old fuel filters are full of crud/dirt/etc.

 

[Kordster]

does it start and run fine after you let it sit? then begin to have the same problem ? Or will it not start and run right at all?

It always starts and runs fine after it sets overnight. When it pulls down, it never dies. After a bit it ramps back up.

 

[Kordster]

My guess - there is something in your fuel tank that plugs the outlet, something plugging the fuel line or your fuel cap is plugged and needs to be cleaned. I say this because you have not mentioned that the old fuel filters are full of crud/dirt/etc.

Old fuel filters are clean, even the original fuel filter looked clean. I'll take off the fuel cap and see if that helps.

 

[Kordster]

With the low hours per year you may have some algae that has grown in your tank. That can clog even a new filter. I would fill the tank full and add some diesel treatment. Pretty cheap way to rule out one problem.

Here is a thread about the problem.

https://www.tractorbynet.com/forums/oil-fuel-lubricants/371733-algae-my-diesel-next-steps.html

I put Howe's Lubricator Diesel Treat in after I drained the tank and changed the filter. I put in less than an ounce because it said 32 oz treats 160 gallons. Should I use more?

 

[sd455dan]

Great advice above and

Opening the cap on the fuel tank is a great idea, and may be the cause if it is a fuel starvation problem


in addition

" when it started the missing again."

I think from this statement OP may have and individual cylinder or single injector problem.

When it happens the next time, cracking each injector line 1 at a time may reveal that the problem is not system wide but related to 1 cylinder.
Generally a single cylinder miss can be heard/ because it is rhythmic and repeating.

If it is random miss then fuel restriction of some sort sounds likely

May help to post a short video with audio of the miss/loss of power