Scott, is this a kero-start or propane? With propane, there should be no "pumping" of kero until ignition occurs and the temp gets high enough to sustain kero burn. Obviously on Kero-start, you will be pumping kero during start and if it does not light, further attempts will only pump more. From your description, it sounds like you have a kero-start, but you did not say.

More info is needed. Propane or Kero? How many runs (hours etc.)? Any previous issues? Did something happen between the last successful start/flight and this incident? And anything else you can think of....(too much info. is better than not enough).


George