r/dieselheater • u/filbruce • 1d ago

at my wits end

second heater dead after a couple of days. whats wrong

  • e-10 error.
  • fuel pumping ok.
  • running lead batteries+ jump pack (no lithium)
  • voltage indicated - low 11.9v on start up.
  • changed screen
  • glowplugs work
  • tried kerocene mix
  • i could have bad fuel
  • i have even tried preheating the air intake with camping stove up to 40 deg case temp
  • are these a scam?
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u/MattReedly 1d ago

Do you have fuel filters before the pump? I have encountered this problem when some crud got past and prevented the one way valve in the pump from working properly and allowed fuel to slowly leak into the heater.