I have a Kubota L4400DT.
The engine turns over fine and the battery is nice and strong. Sometimes the engine starts immediately, but other times I can crank and crank and it will not start at all.
A couple of possible clues:
How would I go about troubleshooting this?
Note: Last fall, my L4400 would not crank every time, and it left me stranded miles from home on one occasion. I suspected the "under-seat safety switch" and the "neutral gear position safety switch". I was able to remove the "neutral gear position" switch and test it, but the Delphi connector on the "seat safety switch" was crushed and I could not get it apart without destroying it. I sent it to the Kubota dealership to get it fixed, and the bill came to $1475. They said it took lots of man-hours to diagnose the problem because it was intermittent, it turned out to be the "seat switch". I'd rather not send my tractor back to the Kubota dealership until after I have won the lottery.
The engine turns over fine and the battery is nice and strong. Sometimes the engine starts immediately, but other times I can crank and crank and it will not start at all.
A couple of possible clues:
- When it doesn't crank, after a long {burr-rur-rur-rur-rur} of the engine, sometimes I let off the key and it sounds kind of like the engine turns backwards just a bit. Maybe it's just the compression letting off and turning the engine back a quarter turn or so.
- As I turn the key, sometimes I hear a single relay click but other times I hear several clicks. The sound is like one or more relays is energizing and then loses contact. I think my non-starts occur typically when I hear several relay clicks. Like I said, it is intermittent.
How would I go about troubleshooting this?
Note: Last fall, my L4400 would not crank every time, and it left me stranded miles from home on one occasion. I suspected the "under-seat safety switch" and the "neutral gear position safety switch". I was able to remove the "neutral gear position" switch and test it, but the Delphi connector on the "seat safety switch" was crushed and I could not get it apart without destroying it. I sent it to the Kubota dealership to get it fixed, and the bill came to $1475. They said it took lots of man-hours to diagnose the problem because it was intermittent, it turned out to be the "seat switch". I'd rather not send my tractor back to the Kubota dealership until after I have won the lottery.