F3990 Stalling

/ F3990 Stalling
  • Thread Starter
#11  
It ended up being debris in the fuel tank. A small piece of leaf would block off the fuel inlet.
 
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/ F3990 Stalling #12  
Recently my F3990 has started stalling when mowing. it doesn't appear to be losing power, just stop running. It always starts right up without hesitation immediately after so I can continue mowing.

I replaced both fuel filters and it worked fine for a few weeks, but has started up again. I blew out the fuel hose from the first filter into the tank, but that didn't do anything. When I look at the fuel level in the first filter, the one between the pump and the tank, it is never more than 20% full. Is this normal?

Any suggestions on what I can look into next?

thanks
I had the same problem and wired around the seat sensor and it fixed mine....js
 

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