Engine Cub Cadet 679 EFI Laboring

Jeffalex2

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Aug 20, 2019
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I have 70 hours on the XT2 SLX50 with EFI twin an so far no serious issues. Figured out the quick release collars.

When I am mowing with the throttle wide open (as directed) the engine will randomly drop rpm by 30% for a second or two and then recover. It usually does it twice inside of 15 seconds and then all good for another 15 minutes or so... and then does it again. I suspect it has something to do with the computer periodically testing the oxygen sensor/mixture or something.

Has anyone else encountered this?

Thanks!!
 
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