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Hesitates at full throttle

the lift i am working on is an FG25N LP. when you slowly depress the throttle it runs great. when you depress the throttle fast it acts like it is starving for fuel. No Codes on dash. I normally work on heavy equipment and don't have the experience with the smaller lifts, especially the LP type. Please advise Thank you.
  • Posted 18 Jul 2017 00:04
  • By dane_r
  • joined 17 Jul'17 - 1 message
  • South Carolina, United States
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I take it that it's the k21 engine if so check the assist solenoid on the manifold if it's faulty or stuck will give this symptom I take it you've renewed the gas filter
  • Posted 18 Jul 2017 04:19
  • By alanmitsi
  • joined 8 Aug'13 - 151 messages
  • essex, United Kingdom
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Fact of the week
The black box flight recorder was invented by Australian scientist David Warren in the mid-1950s. While initially met with indifference in Australia, his invention gained international recognition, particularly in the UK, and is now a mandatory piece of safety equipment on all commercial aircraft.