Error code 008 NX4510

   / Error code 008 NX4510 #51  
I wish I could do that. I bought my tractor out in Wisconsin and not local by any means to Mass.

Seems like you have a good dealer. You might ask them to call Kioti corporate to see if they would pay for a loaner. Worse they could do is say no.:confused3:
 
   / Error code 008 NX4510
  • Thread Starter
#52  
Seems like you have a good dealer. You might ask them to call Kioti corporate to see if they would pay for a loaner. Worse they could do is say no.:confused3:

I think that they have gone out beyond expectations for me on this issue. They are an extremely busy place. They were closed yesterday and still took my text messages and phone calls and replied to all of them on Saturday after closing and Sunday. I doubt that Kioti would pay for a loaner. I don't think that this dealer rents tractors. I may just give Kioti a call today.
 
   / Error code 008 NX4510 #53  
I think that they have gone out beyond expectations for me on this issue. They are an extremely busy place. They were closed yesterday and still took my text messages and phone calls and replied to all of them on Saturday after closing and Sunday. I doubt that Kioti would pay for a loaner. I don't think that this dealer rents tractors. I may just give Kioti a call today.

Jim, you're a patient guy, and it sounds like your servicing dealer is really trying to resolve this. I agree with you on calling Kioti directly, and starting to turn up the heat, nicely. You said earlier that you have three years left on your warranty. This is ultimately Kioti Corporate's responsibility to fix. Kioti of course is entitled to an opportunity to do it. But that's not an unlimited opportunity, even if they are operating in good faith (as it sounds like they are). If they can't fix the problem after multiple efforts within a reasonable amount of time, they will be in breach of the warranty. You then will have other remedies. In the meantime, arranging for a loaner tractor is a reasonable thing to ask for, IMO.
 
   / Error code 008 NX4510
  • Thread Starter
#54  
Jim, you're a patient guy, and it sounds like your servicing dealer is really trying to resolve this. I agree with you on calling Kioti directly, and starting to turn up the heat, nicely. You said earlier that you have three years left on your warranty. This is ultimately Kioti Corporate's responsibility to fix. Kioti of course is entitled to an opportunity to do it. But that's not an unlimited opportunity, even if they are operating in good faith (as it sounds like they are). If they can't fix the problem after multiple efforts within a reasonable amount of time, they will be in breach of the warranty. You then will have other remedies. In the meantime, arranging for a loaner tractor is a reasonable thing to ask for, IMO.

I did contact Kioti today about having a Rep. call me. I was told that the Rep's only deal with dealers and not end users. Kioti will not provide a loaner. I think if I bought my machine there the dealer might do it. Kioti did offer to contact the dealer where my tractor is. I said not too as I do not want to cause any friction between me and them. I said that they will be calling Kioti once they start working on my tractor for the 3rd time for the same problem. I left it at that. I do have a lot of patience when it comes to some things like this. I did send a request to the EPA for assistance if Kioti cannot come up with a solution to this emissions problem. I got a reply saying that someone would be contacting me about this issue. I also asked if there were any other emission problems reported to the EPA on Kioti tractors. It will be interesting to see if they will have anything to say or advice on this issue. I'm getting all my eggs lined up in advance just in case this tractor continues to have this ongoing problem. I also plan on making a few calls to other dealers once I find out what the DTC is. I want to find out if anyone else has had this same problem. Maybe some other dealer will have run into this same problem and knows the cure for it. I know how to bypass the blinking Regen light and CEL issue if the light is on. That differential sensor on top of the DPF was just replaced. I wasn't able to bypass the CEL light on Saturday by unplugging this sensor. Six weeks ago I was able to bypass the CEL light with the old sensor. . It could be that the new sensor is bad or that another problem has popped up with the emissions system.
 
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   / Error code 008 NX4510 #55  
Super sorry to hear about all the problems your having. One reason for keeping my 2004 machine is no regeneration.
 
   / Error code 008 NX4510
  • Thread Starter
#56  
Super sorry to hear about all the problems your having. One reason for keeping my 2004 machine is no regeneration.

I wholeheartedly agree with you on this. I did look around for a new pre-Teir 4 tractor before I bought mine. There were no new ones available of any kind, make or model.

I messaged Kioti today about previous warranty work that had been done to my tractor. They sent me a list of all claims. I am so glad that they did. The dealer and I thought that a mirror bracket had been welded on my tractor which may have caused issues with the ECU. Turns out that the warranty claim was to replace both mirror brackets. The claim was titled "Welds cracked casual parts". Both brackets were replaced, not welded. This ends the welding issue. I informed my local dealer of this so that he would be aware of it. I think he saw the warranty claim title where it said "Welds cracked casual part" and maybe thought it meant "weld cracks". When I read the description I saw that both sides were cracked , new ones were ordered and that both brackets had been replaced. This was good to know for me.
 
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   / Error code 008 NX4510
  • Thread Starter
#57  
The reason I was not able to get rid of my Regen light is because the tractor had 200% clogging of the DPF again which blows the CEL and goes into limp mode. The only way to clear this is by using a computer with Kioti's proprietary software. This happened with just a few hours of running my tractor after I got it back, 2.1 hours to be exact. The mechanic, per Kioti Rep., did a run up and shut off test to check the injectors on my tractor. #2 was putting out 1.5x what it should be. They didn't feel that the injector running at 1.5x was enough to cause the tractor to spot up like this. That .5 is 50% more fuel than what it should be squirting. I think that this is a big factor in my problem. Not sure where they are going from here. I did ask why the tractor didn't go into Regen sooner. He said that it, (meaning the soot), is shooting up faster than it can clear out which is a major issue now. Hopefully a fixed injector problem will cure this issue once and for all. Week 8 without a tractor.
 
   / Error code 008 NX4510 #58  
Yikes!! 8 weeks is painful. Glad to hear some sort of progress!
 
   / Error code 008 NX4510
  • Thread Starter
#59  
Yikes!! 8 weeks is painful. Glad to hear some sort of progress!

Yes it is and very time consuming with 5 round trips so far to deliver and pick up the tractor each time.
 
   / Error code 008 NX4510 #60  
FWIW, my tractor refused to run right with regeneration issues every 8-12 hours until I installed a warmer T-stat. Kioti's now-not-there-two-man-warranty-department claimed I "Remapped" the ECU (clearly not mechanics). While nearly everybody had problems with tier IV running in cooler and cold climates, in Kioti's case the spring on the by-pass on the T-stat is too weak. So even though the stock T-stat begins to open at 160 degrees F, at 1500 rpm and higher, the bypass womped open thereby never really allowing the tractor warm up in cooler climates. The cooler running in turn makes the ECU run the engine rich clogging the DPF all the faster. The universal field repair for fleets was to install a warmer T-stat. A Stant 48808 thermostat with no modifications works just fine in our 1.8L NX engines (Stant on the right) but you'll still need to cover the radiator if you're in areas as cold as I am.

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