I would make a quick check of the fuel cap with that scenario. If the cap is not venting properly it may take 20 minutes for it to release the vacuum created.
I will check that the next time it misbehaves.
2012 John Deere 825i with power steering, power dump, poly roof, no-scratch windshield, deluxe light kit, Maxiis Bighorn, Kolpin HID headlight kit and two JD work light kits.