Posted 11/25/2021 20:15 (#9341777 - in reply to #9341712) Subject: RE: JD 7700 tractor engine surging
Most likely. I had a 7600 act like that years ago, I added large amounts of Standadyne fuel conditioner to it and it cleared up. Been fine since. But if your pump has 11,000 hrs on it, it may be worn out.