MF255 will start and run for about 10 minutes, then revs and shuts off. It has plenty of fuel. Air filter is fine. After it shuts off the only way to get it to restart is to bleed the fuel pump, and injectors. Then it will crank and start and run for a bit and shut off again. It seems like it is getting air in the system but I am not sure where. Any ideas??
- Thread starter Chris1500
- Start date
The fuel filter is new, I changed it out when it first started doing this. Also changed the fuel lines. I drained the fuel tank and checked the wire filter at the bottom of the tank. All of those are good. I have not checked the banjo however. Is that the connection on top of the fuel filter that goes to the top of the fuel tank? I assume that allows air to come out of the filter to the tank?
Does the lift pump look wet with fuel, could be leaking. What fuel filter did you use? IF a NAPA brand did you lay the top o ring on top of the filter instead of IN the housing? Very common to do that. How bad did the old filter look? The fuel filter housing is fairly bullet proof provided the filter was installed correctly with new gaskets. If it all checks out then a rebuild of the pump may be in your future:-(
Dieseltech is the one to contact.
Dieseltech is the one to contact.
used red MN
Well-known Member
- Location
- Coon Rapids, MN
I do not know if this applies to your tractor but here is a post with a more detailed explanation of the oring install improperly on a NAPA or Wix brand filter. They are on the right in picture of the linked post.
PT farmer post on MF fuel filters
This post was edited by used red MN on 10/22/2023 at 10:29 pm.
PT farmer post on MF fuel filters
This post was edited by used red MN on 10/22/2023 at 10:29 pm.
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