John deere 820

   / John deere 820 #51  
Have tried using any diesel fuel conditioners/inj cleaner fluids?
 
   / John deere 820
  • Thread Starter
#52  
Yes I have. When I crack open injectors there is a noticeable change on each one. Not sure what else to check?? Everything works like its supposed to. It don't run hot. Like I said it just at certain Rpms. I'm stumped!! Fuel pump is new. Filter is new.
 
   / John deere 820 #53  
About the only thing left to do is pull the questionable injector and have it tested or replace it.
 
   / John deere 820
  • Thread Starter
#54  
Tx Jim said:
About the only thing left to do is pull the questionable injector and have it tested or replace it.
Click to expand...

That's what I was thinking. I do have one injector so guess i will try each one to see if that cures the problem. I'm hoping its not a compression issue or valve issue. It has way to much power for that to be it.
 
   / John deere 820
  • Thread Starter
#55  
Well found problem with miss I'm having. It's the injecter pump. It has a stanadyne pump on it. I found a diesel repair house that will rebuild and reseal for 450. Going bring next week and hope I'm done working in this thing
 
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