2023 Z930M in for warranty work

   / 2023 Z930M in for warranty work #1  

nikdfish

Platinum Member
Joined
Oct 14, 2010
Messages
989
Location
Person Co. NC
Tractor
John Deere 3038E & 1025R FILB
It's been quite the trip, but finally some daylight.

I had taken it back to the dealer because it was suddenly dying while I was mowing. It would be running fine, then act like you've shut off a fuel valve. Let it sit a bit & it will start & run fine for a bit longer.

It first occurred after 3 hours hard running in high heat. Later occurrences happened progressively sooner, 2 hours, 1 hour. The last time it was 30 minutes or so. Figured it's happening quick enough the JD techs should be able to reproduce it, so I took it in. (BTW, they finally had the replacement voltage regulator to do the recall fix)

After a couple of days, they couldn't reproduce the problem even after mowing several acres out back & burning half a tank in the process.

I picked it up, but they left the ticket open so I could see if the problem had just gone away before settling up for the diagnostic fees.

I mowed around the house, no issue during that 45 minutes, but it reoccured after two hours cutting out at the acreage. This time I recorded it on video with my phone. After restarting I caught it happening again several times as I headed back to the trailer. I went straight back to them from the acreage & played the recordings. They agreed it was a fuel starvation shutdown and took the mower back to the shop.

Two days later, they just called to let me know they had an answer & would be doing a warranty fix. They found a lot of plastic debris clogging the fuel system.

They will be replacing the fuel tank & fuel lines and thoroughly cleaning the carburetor.
 
   / 2023 Z930M in for warranty work
  • Thread Starter
#2  
Picked it up today. In the paperwork describing work done, the tech indicated the entire gas tank interior was coated with an unknown white substance. It could be scraped off but it was unlikely to be completely removed. He said fuel being delivered was "white". The tank was replaced.
 
   / 2023 Z930M in for warranty work #3  
So faulty fuel tank from the vendor. Stuff happens.
 

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