4100 loses power: John Deere Review  -- John Deere Tractors Discussion Forum and Review 4100 loses power: John Deere Review -- John Deere Tractors Discussion Forum

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 06-05-2009, 01:38 Post: 163204
dieselmaker



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 4100 loses power

I have a 4100 that started to lose power. It was running fine while i was mowing then it started to lose RPM's. It never would come back to full power. I changed the fuel filter and cleaned the radiator and the air filter. It will start and run fine for 2-3 minutes the it starts dropping RPM's. I doesnt matter if it is under load or just sitting. Any help would be great.
Thanks,
Jason






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 06-05-2009, 12:03 Post: 163210
AnnBrush



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 4100 loses power

Blocked injector?






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 06-05-2009, 13:36 Post: 163217
kthompson



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 4100 loses power

Bad fuel or trash clogging fuel outlet in tank.






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 06-05-2009, 14:23 Post: 163226
DRankin



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 4100 loses power

See if it runs better with the fuel tank cap loosened.......






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 06-06-2009, 03:06 Post: 163236
dieselmaker



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 4100 loses power

Thanks for the quick replys. How do i check for a plugged injector? When I changed the fuel filter i ran fuel from the tank into a glass jar and it was clean and no water.
I tried the fuel cap thing last week. I had that happen on a lawn mower one time. I am thinking the injector pump or injectors but can i check any of that at the house?

Thanks,

Jason






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 06-06-2009, 06:29 Post: 163238
DRankin



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 4100 loses power

I would probably start with some chemical cleaners if you haven't already gone that route.






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 06-06-2009, 08:49 Post: 163241
kthompson



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 4100 loses power

It is possible to have a floating piece of trash in the fuel tank that gets sucked over the fuel outlet as fuel is being used and it can partly block or fully block the outlet. If your fuel tank is of design you can look in it by only removing the fuel cap when it looses power take flash light (not a match as a person who did sell tractors did here recently and yes he got burnt) and look for trash at the outlet. It took me a while to find the wasp in mine. Not sure if he flew in while open fueling or was in hose nozzle.






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 06-07-2009, 11:43 Post: 163266
dieselmaker



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 4100 loses power

Good points. I will try both when and if i get off of nights. Its been 6 weeks with no end in sight.

Jason






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 06-09-2009, 09:25 Post: 163332
emiller7



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 4100 loses power

I'm having the same problem! If I find a solution I'll post it.

Could it be a pin hole in a fuel line sucking air?






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 06-10-2009, 04:03 Post: 163352
dieselmaker



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 4100 loses power

I talked to the dealer today and he didnt have any suggestions other than bring it in. Some times i get lucky and get the answer from them. If i work it out i will post as well.

Jason






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Discussion Boards > Active Subjects > Messages as Posted > John Deere Review Forum

Thread 163204 Filter by Poster:
AnnBrush 1 | dieselmaker 5 | DRankin 3 | emiller7 1 | kthompson 3 |




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