JimR
Elite Member
Yesterday i was out using the tractor. It was running great until I parked it. The motor went from 1600 rpm's to an idle all by itself. Previously I had this similar problem where the tractor would do this. I was able to still run the tractor up to 2000 rpm's before the engine light would come on. That all went away after checking all the wires and cleaning the front 02 sensor in the cat converter. Back then I had just over 300 hours on the tractor. I now have 345 and it is back again but worse this time. Now I can only get the motor up to 1600 rpm's before the CEL come son and the rpm's drop to an idle. I ran the regen cycle and nothing changed. One thing that I did notice is that the regen light does not come on during the regen cycle. Is this normal? The motor runs at 2500 rpm's during regen with no issues. I positively know that the problem is not fuel related. It is raining here today so I won't be able to do any checking on the problem. What a PITA these Gen 4 tractors can be. One thing I have to admit is that I do not miss the smell of diesel exhaust fumes.