We absolutely loved our LS XR4145 until we didn't. After about 6 years and 400 hours it started throwing a mixed bag of engine sensor codes. You'll need a LS diagnostic computer to properly diagnose the specific issue. Our issue turned out to be a myriad of wiring harness issues from various...
After doing a little research I think a DIY DPF cleaning is the next step in the process. I have a sneaking suspicion this is also related to the crank sensor issue in some way since the two manifested themselves with 3 hours of each other. 400 hours seems awfully low to be having to clean...
Installed the new crank sensor. Problem is still intermittent. The big issue now is that the tractor keeps going in and out of regen mode. I run it between 2100 and 2400 RPM all the time and it enters regen mode for a few minutes. The RPMs drop back to where I had it set for about 5 or 10...
Still waiting on the part. The crank sensor on my tractor is located on the crank case just behind the starter. I’ll try to post a pic when we return from vacation. I really think this is going to require hooking it up to the diagnostic equipment. There could be another sensor or wiring harness...
Still not solved. Ordered a crank sensor but I doubt that’s actually the issue. If that doesn’t work I’ll take it to the dealer so they can hook up the diagnostic equipment. I’ll let you know when it is fixed and the solution.
Thanks for all of your help. Talked to the mechanic and he said it was an easy fix to replace the sensor. He also suggested replacing the starter switch and checking all of the wiring harness connectors before ordering the crank sensor so we will see what that accomplishes (the ignition switch...
Dealer says it's a crank sensor part. Part is $130ish bucks. Tractor is out of warranty. Not sure what is going to be required to replace the part. Any clues on whether or not I'm going to have to take the engine apart? What I'd really like to know is how to disable all of this Tier 4 crap.....
The tractor has started throwing the F02 636 error code along with the red engine fault warning light. RPMs drop to just above idle. I've found one list online of LS error codes but this code is not on the list. Anyone have any ideas or experience with this problem? T4 engine with 385 hours...
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I did the same thing but with my 2500HD truck and my LS4145 tractor. After rechecking the manuals and finding I was still well within specs I let it ride. If it fits the manufacturer specs then don't sweat it.